128795576

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 309196800

約数和(自身を除く): 180401224

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 169, 182, 217, 248, 338, 364, 403, 434, 439, 676, 728, 806, 868, 878, 1183, 1352, 1612, 1736, 1756, 2366, 2821, 3073, 3224, 3512, 4732, 5239, 5642, 5707, 6146, 9464, 10478, 11284, 11414, 12292, 13609, 20956, 22568, 22828, 24584, 27218, 36673, 39949, 41912, 45656, 54436, 73346, 74191, 79898, 95263, 108872, 146692, 148382, 159796, 176917, 190526, 293384, 296764, 319592, 353834, 381052, 519337, 593528, 707668, 762104, 1038674, 1238419, 1415336, 2077348, 2299921, 2476838, 4154696, 4599842, 4953676, 9199684, 9907352, 16099447, 18399368, 32198894, 64397788, 128795576]

約数ペア:

[(1, 128795576), (2, 64397788), (4, 32198894), (7, 18399368), (8, 16099447), (13, 9907352), (14, 9199684), (26, 4953676), (28, 4599842), (31, 4154696), (52, 2476838), (56, 2299921), (62, 2077348), (91, 1415336), (104, 1238419), (124, 1038674), (169, 762104), (182, 707668), (217, 593528), (248, 519337), (338, 381052), (364, 353834), (403, 319592), (434, 296764), (439, 293384), (676, 190526), (728, 176917), (806, 159796), (868, 148382), (878, 146692), (1183, 108872), (1352, 95263), (1612, 79898), (1736, 74191), (1756, 73346), (2366, 54436), (2821, 45656), (3073, 41912), (3224, 39949), (3512, 36673), (4732, 27218), (5239, 24584), (5642, 22828), (5707, 22568), (6146, 20956), (9464, 13609), (10478, 12292), (11284, 11414)]