981881784

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 256

約数和(自身を含む): 3166732800

約数和(自身を除く): 2184851016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 24, 26, 27, 34, 36, 39, 51, 52, 54, 67, 68, 72, 78, 102, 104, 108, 117, 134, 136, 153, 156, 201, 204, 216, 221, 234, 268, 306, 307, 312, 351, 402, 408, 442, 459, 468, 536, 603, 612, 614, 663, 702, 804, 871, 884, 918, 921, 936, 1139, 1206, 1224, 1228, 1326, 1404, 1608, 1742, 1768, 1809, 1836, 1842, 1989, 2278, 2412, 2456, 2613, 2652, 2763, 2808, 3417, 3484, 3618, 3672, 3684, 3978, 3991, 4556, 4824, 5219, 5226, 5304, 5526, 5967, 6834, 6968, 7236, 7368, 7839, 7956, 7982, 8289, 9112, 10251, 10438, 10452, 11052, 11934, 11973, 13668, 14472, 14807, 15657, 15678, 15912, 15964, 16578, 20502, 20569, 20876, 20904, 22104, 23517, 23868, 23946, 27336, 29614, 30753, 31314, 31356, 31928, 33156, 35919, 41004, 41138, 41752, 44421, 46971, 47034, 47736, 47892, 59228, 61506, 61707, 62628, 62712, 66312, 67847, 71838, 82008, 82276, 88842, 93942, 94068, 95784, 107757, 118456, 123012, 123414, 125256, 133263, 135694, 140913, 143676, 164552, 177684, 185121, 187884, 188136, 203541, 215514, 246024, 246828, 266526, 267397, 271388, 281826, 287352, 349673, 355368, 370242, 375768, 399789, 407082, 431028, 493656, 533052, 534794, 542776, 555363, 563652, 610623, 699346, 740484, 799578, 802191, 814164, 862056, 1049019, 1066104, 1069588, 1110726, 1127304, 1221246, 1398692, 1480968, 1599156, 1604382, 1628328, 1831869, 2098038, 2139176, 2221452, 2406573, 2442492, 2797384, 3147057, 3198312, 3208764, 3663738, 4196076, 4442904, 4545749, 4813146, 4884984, 6294114, 6417528, 7219719, 7327476, 8392152, 9091498, 9441171, 9626292, 12588228, 13637247, 14439438, 14654952, 18182996, 18882342, 19252584, 25176456, 27274494, 28878876, 36365992, 37764684, 40911741, 54548988, 57757752, 75529368, 81823482, 109097976, 122735223, 163646964, 245470446, 327293928, 490940892, 981881784]

約数ペア:

[(1, 981881784), (2, 490940892), (3, 327293928), (4, 245470446), (6, 163646964), (8, 122735223), (9, 109097976), (12, 81823482), (13, 75529368), (17, 57757752), (18, 54548988), (24, 40911741), (26, 37764684), (27, 36365992), (34, 28878876), (36, 27274494), (39, 25176456), (51, 19252584), (52, 18882342), (54, 18182996), (67, 14654952), (68, 14439438), (72, 13637247), (78, 12588228), (102, 9626292), (104, 9441171), (108, 9091498), (117, 8392152), (134, 7327476), (136, 7219719), (153, 6417528), (156, 6294114), (201, 4884984), (204, 4813146), (216, 4545749), (221, 4442904), (234, 4196076), (268, 3663738), (306, 3208764), (307, 3198312), (312, 3147057), (351, 2797384), (402, 2442492), (408, 2406573), (442, 2221452), (459, 2139176), (468, 2098038), (536, 1831869), (603, 1628328), (612, 1604382), (614, 1599156), (663, 1480968), (702, 1398692), (804, 1221246), (871, 1127304), (884, 1110726), (918, 1069588), (921, 1066104), (936, 1049019), (1139, 862056), (1206, 814164), (1224, 802191), (1228, 799578), (1326, 740484), (1404, 699346), (1608, 610623), (1742, 563652), (1768, 555363), (1809, 542776), (1836, 534794), (1842, 533052), (1989, 493656), (2278, 431028), (2412, 407082), (2456, 399789), (2613, 375768), (2652, 370242), (2763, 355368), (2808, 349673), (3417, 287352), (3484, 281826), (3618, 271388), (3672, 267397), (3684, 266526), (3978, 246828), (3991, 246024), (4556, 215514), (4824, 203541), (5219, 188136), (5226, 187884), (5304, 185121), (5526, 177684), (5967, 164552), (6834, 143676), (6968, 140913), (7236, 135694), (7368, 133263), (7839, 125256), (7956, 123414), (7982, 123012), (8289, 118456), (9112, 107757), (10251, 95784), (10438, 94068), (10452, 93942), (11052, 88842), (11934, 82276), (11973, 82008), (13668, 71838), (14472, 67847), (14807, 66312), (15657, 62712), (15678, 62628), (15912, 61707), (15964, 61506), (16578, 59228), (20502, 47892), (20569, 47736), (20876, 47034), (20904, 46971), (22104, 44421), (23517, 41752), (23868, 41138), (23946, 41004), (27336, 35919), (29614, 33156), (30753, 31928), (31314, 31356)]