81077830

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{49741}}^1$

素因数の和:49911

約数の個数: 16

約数和(自身を含む): 146838384

約数和(自身を除く): 65760554

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 49741, 99482, 248705, 497410, 8107783, 16215566, 40538915, 81077830]

約数ペア:

[(1, 81077830), (2, 40538915), (5, 16215566), (10, 8107783), (163, 497410), (326, 248705), (815, 99482), (1630, 49741)]