1291216628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{279001}}^1$

素因数の和:279107

約数の個数: 24

約数和(自身を含む): 2460797640

約数和(自身を除く): 1169581012

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 279001, 558002, 1116004, 3627013, 7254026, 14508052, 24831089, 49662178, 99324356, 322804157, 645608314, 1291216628]

約数ペア:

[(1, 1291216628), (2, 645608314), (4, 322804157), (13, 99324356), (26, 49662178), (52, 24831089), (89, 14508052), (178, 7254026), (356, 3627013), (1157, 1116004), (2314, 558002), (4628, 279001)]