63997625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{7211}}^1$

素因数の和:7297

約数の個数: 16

約数和(自身を含む): 81005184

約数和(自身を除く): 17007559

約数列:

[1, 5, 25, 71, 125, 355, 1775, 7211, 8875, 36055, 180275, 511981, 901375, 2559905, 12799525, 63997625]

約数ペア:

[(1, 63997625), (5, 12799525), (25, 2559905), (71, 901375), (125, 511981), (355, 180275), (1775, 36055), (7211, 8875)]