87139885

素因数分解:

$5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{1987}}^1$

素因数の和:2185

約数の個数: 24

約数和(自身を含む): 122381280

約数和(自身を除く): 35241395

約数列:

[1, 5, 7, 35, 49, 179, 245, 895, 1253, 1987, 6265, 8771, 9935, 13909, 43855, 69545, 97363, 355673, 486815, 1778365, 2489711, 12448555, 17427977, 87139885]

約数ペア:

[(1, 87139885), (5, 17427977), (7, 12448555), (35, 2489711), (49, 1778365), (179, 486815), (245, 355673), (895, 97363), (1253, 69545), (1987, 43855), (6265, 13909), (8771, 9935)]