220280039

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{195457}}^1$

素因数の和:195494

約数の個数: 12

約数和(自身を含む): 267386544

約数和(自身を除く): 47106505

約数列:

[1, 7, 23, 49, 161, 1127, 195457, 1368199, 4495511, 9577393, 31468577, 220280039]

約数ペア:

[(1, 220280039), (7, 31468577), (23, 9577393), (49, 4495511), (161, 1368199), (1127, 195457)]