281982961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{17971}}^1$

素因数の和:18072

約数の個数: 16

約数和(自身を含む): 326083968

約数和(自身を除く): 44101007

約数列:

[1, 13, 17, 71, 221, 923, 1207, 15691, 17971, 233623, 305507, 1275941, 3971591, 16587233, 21690997, 281982961]

約数ペア:

[(1, 281982961), (13, 21690997), (17, 16587233), (71, 3971591), (221, 1275941), (923, 305507), (1207, 233623), (15691, 17971)]