22227725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{5261}}^1$

素因数の和:5297

約数の個数: 18

約数和(自身を含む): 29851326

約数和(自身を除く): 7623601

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 5261, 26305, 68393, 131525, 341965, 889109, 1709825, 4445545, 22227725]

約数ペア:

[(1, 22227725), (5, 4445545), (13, 1709825), (25, 889109), (65, 341965), (169, 131525), (325, 68393), (845, 26305), (4225, 5261)]