13856972

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{11987}}^1$

素因数の和:12025

約数の個数: 18

約数和(自身を含む): 25762212

約数和(自身を除く): 11905240

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 11987, 23974, 47948, 203779, 407558, 815116, 3464243, 6928486, 13856972]

約数ペア:

[(1, 13856972), (2, 6928486), (4, 3464243), (17, 815116), (34, 407558), (68, 203779), (289, 47948), (578, 23974), (1156, 11987)]