1390147178

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1627807}}^1$

素因数の和:1627877

約数の個数: 16

約数和(自身を含む): 2422178304

約数和(自身を除く): 1032031126

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1627807, 3255614, 11394649, 22789298, 99296227, 198592454, 695073589, 1390147178]

約数ペア:

[(1, 1390147178), (2, 695073589), (7, 198592454), (14, 99296227), (61, 22789298), (122, 11394649), (427, 3255614), (854, 1627807)]