51931789

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 67737600

約数和(自身を除く): 15805811

約数列:

[1, 7, 13, 31, 41, 91, 217, 287, 403, 449, 533, 1271, 2821, 3143, 3731, 5837, 8897, 13919, 16523, 18409, 40859, 97433, 115661, 128863, 180947, 239317, 570679, 1266629, 1675219, 3994753, 7418827, 51931789]

約数ペア:

[(1, 51931789), (7, 7418827), (13, 3994753), (31, 1675219), (41, 1266629), (91, 570679), (217, 239317), (287, 180947), (403, 128863), (449, 115661), (533, 97433), (1271, 40859), (2821, 18409), (3143, 16523), (3731, 13919), (5837, 8897)]