248797475

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 319979520

約数和(自身を除く): 71182045

約数列:

[1, 5, 25, 31, 155, 251, 775, 1255, 1279, 6275, 6395, 7781, 31975, 38905, 39649, 194525, 198245, 321029, 991225, 1605145, 8025725, 9951899, 49759495, 248797475]

約数ペア:

[(1, 248797475), (5, 49759495), (25, 9951899), (31, 8025725), (155, 1605145), (251, 991225), (775, 321029), (1255, 198245), (1279, 194525), (6275, 39649), (6395, 38905), (7781, 31975)]