31506865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28513}}^1$

素因数の和:28548

約数の個数: 16

約数和(自身を含む): 43113168

約数和(自身を除く): 11606303

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 28513, 142565, 370669, 484721, 1853345, 2423605, 6301373, 31506865]

約数ペア:

[(1, 31506865), (5, 6301373), (13, 2423605), (17, 1853345), (65, 484721), (85, 370669), (221, 142565), (1105, 28513)]