210682225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4129}}^1$

素因数の和:4309

約数の個数: 24

約数和(自身を含む): 283202360

約数和(自身を除く): 72520135

約数列:

[1, 5, 13, 25, 65, 157, 325, 785, 2041, 3925, 4129, 10205, 20645, 51025, 53677, 103225, 268385, 648253, 1341925, 3241265, 8427289, 16206325, 42136445, 210682225]

約数ペア:

[(1, 210682225), (5, 42136445), (13, 16206325), (25, 8427289), (65, 3241265), (157, 1341925), (325, 648253), (785, 268385), (2041, 103225), (3925, 53677), (4129, 51025), (10205, 20645)]