268993921

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{12289}}^1$

素因数の和:12408

約数の個数: 16

約数和(自身を含む): 318556800

約数和(自身を除く): 49562879

約数列:

[1, 7, 53, 59, 371, 413, 3127, 12289, 21889, 86023, 651317, 725051, 4559219, 5075357, 38427703, 268993921]

約数ペア:

[(1, 268993921), (7, 38427703), (53, 5075357), (59, 4559219), (371, 725051), (413, 651317), (3127, 86023), (12289, 21889)]