12700972

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{10987}}^1$

素因数の和:11025

約数の個数: 18

約数和(自身を含む): 23613212

約数和(自身を除く): 10912240

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 10987, 21974, 43948, 186779, 373558, 747116, 3175243, 6350486, 12700972]

約数ペア:

[(1, 12700972), (2, 6350486), (4, 3175243), (17, 747116), (34, 373558), (68, 186779), (289, 43948), (578, 21974), (1156, 10987)]