28661425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3041}}^1$

素因数の和:3093

約数の個数: 24

約数和(自身を含む): 39606840

約数和(自身を除く): 10945415

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 3041, 9425, 15205, 39533, 76025, 88189, 197665, 440945, 988325, 1146457, 2204725, 5732285, 28661425]

約数ペア:

[(1, 28661425), (5, 5732285), (13, 2204725), (25, 1146457), (29, 988325), (65, 440945), (145, 197665), (325, 88189), (377, 76025), (725, 39533), (1885, 15205), (3041, 9425)]