28623725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3037}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 39554760

約数和(自身を除く): 10931035

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 3037, 9425, 15185, 39481, 75925, 88073, 197405, 440365, 987025, 1144949, 2201825, 5724745, 28623725]

約数ペア:

[(1, 28623725), (5, 5724745), (13, 2201825), (25, 1144949), (29, 987025), (65, 440365), (145, 197405), (325, 88073), (377, 75925), (725, 39481), (1885, 15185), (3037, 9425)]