64139621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17191}}^1$

素因数の和:17252

約数の個数: 16

約数和(自身を含む): 80871168

約数和(自身を除く): 16731547

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 17191, 120337, 223483, 704831, 1564381, 4933817, 9162803, 64139621]

約数ペア:

[(1, 64139621), (7, 9162803), (13, 4933817), (41, 1564381), (91, 704831), (287, 223483), (533, 120337), (3731, 17191)]