289804991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{30509}}^1$

素因数の和:30598

約数の個数: 16

約数和(自身を含む): 351475200

約数和(自身を除く): 61670209

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 30509, 213563, 701707, 1800031, 4911949, 12600217, 41400713, 289804991]

約数ペア:

[(1, 289804991), (7, 41400713), (23, 12600217), (59, 4911949), (161, 1800031), (413, 701707), (1357, 213563), (9499, 30509)]