280959472

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{1033}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 553893120

約数和(自身を除く): 272933648

約数列:

[1, 2, 4, 8, 16, 89, 178, 191, 356, 382, 712, 764, 1033, 1424, 1528, 2066, 3056, 4132, 8264, 16528, 16999, 33998, 67996, 91937, 135992, 183874, 197303, 271984, 367748, 394606, 735496, 789212, 1470992, 1578424, 3156848, 17559967, 35119934, 70239868, 140479736, 280959472]

約数ペア:

[(1, 280959472), (2, 140479736), (4, 70239868), (8, 35119934), (16, 17559967), (89, 3156848), (178, 1578424), (191, 1470992), (356, 789212), (382, 735496), (712, 394606), (764, 367748), (1033, 271984), (1424, 197303), (1528, 183874), (2066, 135992), (3056, 91937), (4132, 67996), (8264, 33998), (16528, 16999)]