12921865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2281}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 17087616

約数和(自身を除く): 4165751

約数列:

[1, 5, 11, 55, 103, 515, 1133, 2281, 5665, 11405, 25091, 125455, 234943, 1174715, 2584373, 12921865]

約数ペア:

[(1, 12921865), (5, 2584373), (11, 1174715), (55, 234943), (103, 125455), (515, 25091), (1133, 11405), (2281, 5665)]