2792725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:697

約数の個数: 18

約数和(自身を含む): 3755526

約数和(自身を除く): 962801

約数列:

[1, 5, 13, 25, 65, 169, 325, 661, 845, 3305, 4225, 8593, 16525, 42965, 111709, 214825, 558545, 2792725]

約数ペア:

[(1, 2792725), (5, 558545), (13, 214825), (25, 111709), (65, 42965), (169, 16525), (325, 8593), (661, 4225), (845, 3305)]