129447725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{470719}}^1$

素因数の和:470740

約数の個数: 12

約数和(自身を含む): 175107840

約数和(自身を除く): 45660115

約数列:

[1, 5, 11, 25, 55, 275, 470719, 2353595, 5177909, 11767975, 25889545, 129447725]

約数ペア:

[(1, 129447725), (5, 25889545), (11, 11767975), (25, 5177909), (55, 2353595), (275, 470719)]