81301288

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{166601}}^1$

素因数の和:166668

約数の個数: 16

約数和(自身を含む): 154939860

約数和(自身を除く): 73638572

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 166601, 333202, 666404, 1332808, 10162661, 20325322, 40650644, 81301288]

約数ペア:

[(1, 81301288), (2, 40650644), (4, 20325322), (8, 10162661), (61, 1332808), (122, 666404), (244, 333202), (488, 166601)]