13857425

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 17980992

約数和(自身を除く): 4123567

約数列:

[1, 5, 25, 37, 71, 185, 211, 355, 925, 1055, 1775, 2627, 5275, 7807, 13135, 14981, 39035, 65675, 74905, 195175, 374525, 554297, 2771485, 13857425]

約数ペア:

[(1, 13857425), (5, 2771485), (25, 554297), (37, 374525), (71, 195175), (185, 74905), (211, 65675), (355, 39035), (925, 14981), (1055, 13135), (1775, 7807), (2627, 5275)]