66686225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1559}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 87048000

約数和(自身を除く): 20361775

約数列:

[1, 5, 25, 29, 59, 145, 295, 725, 1475, 1559, 1711, 7795, 8555, 38975, 42775, 45211, 91981, 226055, 459905, 1130275, 2299525, 2667449, 13337245, 66686225]

約数ペア:

[(1, 66686225), (5, 13337245), (25, 2667449), (29, 2299525), (59, 1130275), (145, 459905), (295, 226055), (725, 91981), (1475, 45211), (1559, 42775), (1711, 38975), (7795, 8555)]