291236712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 837916800

約数和(自身を除く): 546680088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 73, 76, 78, 104, 114, 146, 152, 156, 219, 228, 247, 292, 312, 438, 456, 494, 584, 673, 741, 876, 949, 988, 1346, 1387, 1482, 1752, 1898, 1976, 2019, 2692, 2774, 2847, 2964, 3796, 4038, 4161, 5384, 5548, 5694, 5928, 7592, 8076, 8322, 8749, 11096, 11388, 12787, 16152, 16644, 17498, 18031, 22776, 25574, 26247, 33288, 34996, 36062, 38361, 49129, 51148, 52494, 54093, 69992, 72124, 76722, 98258, 102296, 104988, 108186, 144248, 147387, 153444, 166231, 196516, 209976, 216372, 294774, 306888, 332462, 393032, 432744, 498693, 589548, 638677, 664924, 933451, 997386, 1179096, 1277354, 1329848, 1866902, 1916031, 1994772, 2554708, 2800353, 3733804, 3832062, 3989544, 5109416, 5600706, 7467608, 7664124, 11201412, 12134863, 15328248, 22402824, 24269726, 36404589, 48539452, 72809178, 97078904, 145618356, 291236712]

約数ペア:

[(1, 291236712), (2, 145618356), (3, 97078904), (4, 72809178), (6, 48539452), (8, 36404589), (12, 24269726), (13, 22402824), (19, 15328248), (24, 12134863), (26, 11201412), (38, 7664124), (39, 7467608), (52, 5600706), (57, 5109416), (73, 3989544), (76, 3832062), (78, 3733804), (104, 2800353), (114, 2554708), (146, 1994772), (152, 1916031), (156, 1866902), (219, 1329848), (228, 1277354), (247, 1179096), (292, 997386), (312, 933451), (438, 664924), (456, 638677), (494, 589548), (584, 498693), (673, 432744), (741, 393032), (876, 332462), (949, 306888), (988, 294774), (1346, 216372), (1387, 209976), (1482, 196516), (1752, 166231), (1898, 153444), (1976, 147387), (2019, 144248), (2692, 108186), (2774, 104988), (2847, 102296), (2964, 98258), (3796, 76722), (4038, 72124), (4161, 69992), (5384, 54093), (5548, 52494), (5694, 51148), (5928, 49129), (7592, 38361), (8076, 36062), (8322, 34996), (8749, 33288), (11096, 26247), (11388, 25574), (12787, 22776), (16152, 18031), (16644, 17498)]