12945985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 16853760

約数和(自身を除く): 3907775

約数列:

[1, 5, 13, 65, 151, 755, 1319, 1963, 6595, 9815, 17147, 85735, 199169, 995845, 2589197, 12945985]

約数ペア:

[(1, 12945985), (5, 2589197), (13, 995845), (65, 199169), (151, 85735), (755, 17147), (1319, 9815), (1963, 6595)]