31259389

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3853}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 38231680

約数和(自身を除く): 6972291

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3853, 8113, 26971, 73207, 235033, 512449, 1645231, 4465627, 31259389]

約数ペア:

[(1, 31259389), (7, 4465627), (19, 1645231), (61, 512449), (133, 235033), (427, 73207), (1159, 26971), (3853, 8113)]