289164533

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{256579}}^1$

素因数の和:256616

約数の個数: 12

約数和(自身を含む): 351001440

約数和(自身を除く): 61836907

約数列:

[1, 7, 23, 49, 161, 1127, 256579, 1796053, 5901317, 12572371, 41309219, 289164533]

約数ペア:

[(1, 289164533), (7, 41309219), (23, 12572371), (49, 5901317), (161, 1796053), (1127, 256579)]