81649208

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{101051}}^1$

素因数の和:101158

約数の個数: 16

約数和(自身を含む): 154609560

約数和(自身を除く): 72960352

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 101051, 202102, 404204, 808408, 10206151, 20412302, 40824604, 81649208]

約数ペア:

[(1, 81649208), (2, 40824604), (4, 20412302), (8, 10206151), (101, 808408), (202, 404204), (404, 202102), (808, 101051)]