64288225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 82712960

約数和(自身を除く): 18424735

約数列:

[1, 5, 25, 43, 79, 215, 395, 757, 1075, 1975, 3397, 3785, 16985, 18925, 32551, 59803, 84925, 162755, 299015, 813775, 1495075, 2571529, 12857645, 64288225]

約数ペア:

[(1, 64288225), (5, 12857645), (25, 2571529), (43, 1495075), (79, 813775), (215, 299015), (395, 162755), (757, 84925), (1075, 59803), (1975, 32551), (3397, 18925), (3785, 16985)]