81291208

素因数分解:

$2^3\times {\mathrm{1871}}^1\times {\mathrm{5431}}^1$

素因数の和:7308

約数の個数: 16

約数和(自身を含む): 152530560

約数和(自身を除く): 71239352

約数列:

[1, 2, 4, 8, 1871, 3742, 5431, 7484, 10862, 14968, 21724, 43448, 10161401, 20322802, 40645604, 81291208]

約数ペア:

[(1, 81291208), (2, 40645604), (4, 20322802), (8, 10161401), (1871, 43448), (3742, 21724), (5431, 14968), (7484, 10862)]