63640465

素因数分解:

$5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 89192232

約数和(自身を除く): 25551767

約数列:

[1, 5, 7, 35, 49, 245, 421, 617, 2105, 2947, 3085, 4319, 14735, 20629, 21595, 30233, 103145, 151165, 259757, 1298785, 1818299, 9091495, 12728093, 63640465]

約数ペア:

[(1, 63640465), (5, 12728093), (7, 9091495), (35, 1818299), (49, 1298785), (245, 259757), (421, 151165), (617, 103145), (2105, 30233), (2947, 21595), (3085, 20629), (4319, 14735)]