216432874

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{112843}}^1$

素因数の和:112989

約数の個数: 16

約数和(自身を含む): 373739328

約数和(自身を除く): 157306454

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 112843, 225686, 789901, 1579802, 15459491, 30918982, 108216437, 216432874]

約数ペア:

[(1, 216432874), (2, 108216437), (7, 30918982), (14, 15459491), (137, 1579802), (274, 789901), (959, 225686), (1918, 112843)]