56877665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{51473}}^1$

素因数の和:51508

約数の個数: 16

約数和(自身を含む): 77828688

約数和(自身を除く): 20951023

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 51473, 257365, 669149, 875041, 3345745, 4375205, 11375533, 56877665]

約数ペア:

[(1, 56877665), (5, 11375533), (13, 4375205), (17, 3345745), (65, 875041), (85, 669149), (221, 257365), (1105, 51473)]