679391728

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{719}}^1\times {\mathrm{809}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 1337860800

約数和(自身を除く): 658469072

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 719, 809, 1168, 1438, 1618, 2876, 3236, 5752, 6472, 11504, 12944, 52487, 59057, 104974, 118114, 209948, 236228, 419896, 472456, 581671, 839792, 944912, 1163342, 2326684, 4653368, 9306736, 42461983, 84923966, 169847932, 339695864, 679391728]

約数ペア:

[(1, 679391728), (2, 339695864), (4, 169847932), (8, 84923966), (16, 42461983), (73, 9306736), (146, 4653368), (292, 2326684), (584, 1163342), (719, 944912), (809, 839792), (1168, 581671), (1438, 472456), (1618, 419896), (2876, 236228), (3236, 209948), (5752, 118114), (6472, 104974), (11504, 59057), (12944, 52487)]