55171571

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 68954400

約数和(自身を除く): 13782829

約数列:

[1, 7, 13, 91, 149, 169, 313, 1043, 1183, 1937, 2191, 4069, 13559, 25181, 28483, 46637, 52897, 176267, 326459, 370279, 606281, 4243967, 7881653, 55171571]

約数ペア:

[(1, 55171571), (7, 7881653), (13, 4243967), (91, 606281), (149, 370279), (169, 326459), (313, 176267), (1043, 52897), (1183, 46637), (1937, 28483), (2191, 25181), (4069, 13559)]