8661121

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 10321920

約数和(自身を除く): 1660799

約数列:

[1, 7, 31, 167, 217, 239, 1169, 1673, 5177, 7409, 36239, 39913, 51863, 279391, 1237303, 8661121]

約数ペア:

[(1, 8661121), (7, 1237303), (31, 279391), (167, 51863), (217, 39913), (239, 36239), (1169, 7409), (1673, 5177)]