87859928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1693}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 177870000

約数和(自身を除く): 90010072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 998, 1693, 1996, 3386, 3992, 6487, 6772, 12974, 13544, 22009, 25948, 44018, 51896, 88036, 176072, 844807, 1689614, 3379228, 6758456, 10982491, 21964982, 43929964, 87859928]

約数ペア:

[(1, 87859928), (2, 43929964), (4, 21964982), (8, 10982491), (13, 6758456), (26, 3379228), (52, 1689614), (104, 844807), (499, 176072), (998, 88036), (1693, 51896), (1996, 44018), (3386, 25948), (3992, 22009), (6487, 13544), (6772, 12974)]