738575825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{20849}}^1$

素因数の和:20981

約数の個数: 24

約数和(自身を含む): 995379000

約数和(自身を除く): 256803175

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 7085, 20849, 35425, 104245, 271037, 521225, 1355185, 2272541, 6775925, 11362705, 29543033, 56813525, 147715165, 738575825]

約数ペア:

[(1, 738575825), (5, 147715165), (13, 56813525), (25, 29543033), (65, 11362705), (109, 6775925), (325, 2272541), (545, 1355185), (1417, 521225), (2725, 271037), (7085, 104245), (20849, 35425)]