26509405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{661}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 34365744

約数和(自身を除く): 7856339

約数列:

[1, 5, 13, 65, 617, 661, 3085, 3305, 8021, 8593, 40105, 42965, 407837, 2039185, 5301881, 26509405]

約数ペア:

[(1, 26509405), (5, 5301881), (13, 2039185), (65, 407837), (617, 42965), (661, 40105), (3085, 8593), (3305, 8021)]