291377892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 814488192

約数和(自身を除く): 523110300

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 23, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 138, 156, 204, 221, 276, 281, 289, 299, 391, 442, 562, 578, 598, 663, 782, 843, 867, 884, 897, 1124, 1156, 1173, 1196, 1326, 1564, 1686, 1734, 1794, 2346, 2652, 3372, 3468, 3588, 3653, 3757, 4692, 4777, 5083, 6463, 6647, 7306, 7514, 9554, 10166, 10959, 11271, 12926, 13294, 14331, 14612, 15028, 15249, 19108, 19389, 19941, 20332, 21918, 22542, 25852, 26588, 28662, 30498, 38778, 39882, 43836, 45084, 57324, 60996, 62101, 77556, 79764, 81209, 84019, 86411, 109871, 124202, 162418, 168038, 172822, 186303, 219742, 243627, 248404, 252057, 259233, 324836, 329613, 336076, 345644, 372606, 439484, 487254, 504114, 518466, 659226, 745212, 974508, 1008228, 1036932, 1055717, 1318452, 1428323, 1867807, 2111434, 2856646, 3167151, 3735614, 4222868, 4284969, 5603421, 5713292, 6334302, 7471228, 8569938, 11206842, 12668604, 17139876, 22413684, 24281491, 48562982, 72844473, 97125964, 145688946, 291377892]

約数ペア:

[(1, 291377892), (2, 145688946), (3, 97125964), (4, 72844473), (6, 48562982), (12, 24281491), (13, 22413684), (17, 17139876), (23, 12668604), (26, 11206842), (34, 8569938), (39, 7471228), (46, 6334302), (51, 5713292), (52, 5603421), (68, 4284969), (69, 4222868), (78, 3735614), (92, 3167151), (102, 2856646), (138, 2111434), (156, 1867807), (204, 1428323), (221, 1318452), (276, 1055717), (281, 1036932), (289, 1008228), (299, 974508), (391, 745212), (442, 659226), (562, 518466), (578, 504114), (598, 487254), (663, 439484), (782, 372606), (843, 345644), (867, 336076), (884, 329613), (897, 324836), (1124, 259233), (1156, 252057), (1173, 248404), (1196, 243627), (1326, 219742), (1564, 186303), (1686, 172822), (1734, 168038), (1794, 162418), (2346, 124202), (2652, 109871), (3372, 86411), (3468, 84019), (3588, 81209), (3653, 79764), (3757, 77556), (4692, 62101), (4777, 60996), (5083, 57324), (6463, 45084), (6647, 43836), (7306, 39882), (7514, 38778), (9554, 30498), (10166, 28662), (10959, 26588), (11271, 25852), (12926, 22542), (13294, 21918), (14331, 20332), (14612, 19941), (15028, 19389), (15249, 19108)]