28661105

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 11013775

約数列:

[1, 5, 11, 23, 55, 115, 139, 163, 253, 695, 815, 1265, 1529, 1793, 3197, 3749, 7645, 8965, 15985, 18745, 22657, 35167, 41239, 113285, 175835, 206195, 249227, 521111, 1246135, 2605555, 5732221, 28661105]

約数ペア:

[(1, 28661105), (5, 5732221), (11, 2605555), (23, 1246135), (55, 521111), (115, 249227), (139, 206195), (163, 175835), (253, 113285), (695, 41239), (815, 35167), (1265, 22657), (1529, 18745), (1793, 15985), (3197, 8965), (3749, 7645)]