25821770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:974

約数の個数: 32

約数和(自身を含む): 50295168

約数和(自身を除く): 24473398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 614, 647, 1294, 1535, 3070, 3235, 3991, 6470, 7982, 8411, 16822, 19955, 39910, 42055, 84110, 198629, 397258, 993145, 1986290, 2582177, 5164354, 12910885, 25821770]

約数ペア:

[(1, 25821770), (2, 12910885), (5, 5164354), (10, 2582177), (13, 1986290), (26, 993145), (65, 397258), (130, 198629), (307, 84110), (614, 42055), (647, 39910), (1294, 19955), (1535, 16822), (3070, 8411), (3235, 7982), (3991, 6470)]