12781925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 17353056

約数和(自身を除く): 4571131

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 587, 871, 1675, 2935, 4355, 7631, 14675, 21775, 38155, 39329, 190775, 196645, 511277, 983225, 2556385, 12781925]

約数ペア:

[(1, 12781925), (5, 2556385), (13, 983225), (25, 511277), (65, 196645), (67, 190775), (325, 39329), (335, 38155), (587, 21775), (871, 14675), (1675, 7631), (2935, 4355)]