128525815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{8623}}^1$

素因数の和:8910

約数の個数: 16

約数和(自身を含む): 168892416

約数和(自身を除く): 40366601

約数列:

[1, 5, 11, 55, 271, 1355, 2981, 8623, 14905, 43115, 94853, 474265, 2336833, 11684165, 25705163, 128525815]

約数ペア:

[(1, 128525815), (5, 25705163), (11, 11684165), (55, 2336833), (271, 474265), (1355, 94853), (2981, 43115), (8623, 14905)]