261373957

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{1039}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 289918720

約数和(自身を除く): 28544763

約数列:

[1, 13, 37, 481, 523, 1039, 6799, 13507, 19351, 38443, 251563, 499759, 543397, 7064161, 20105689, 261373957]

約数ペア:

[(1, 261373957), (13, 20105689), (37, 7064161), (481, 543397), (523, 499759), (1039, 251563), (6799, 38443), (13507, 19351)]