66555671

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 84019824

約数和(自身を除く): 17464153

約数列:

[1, 7, 13, 49, 91, 163, 637, 641, 1141, 2119, 4487, 7987, 8333, 14833, 31409, 58331, 103831, 104483, 408317, 731381, 1358279, 5119667, 9507953, 66555671]

約数ペア:

[(1, 66555671), (7, 9507953), (13, 5119667), (49, 1358279), (91, 731381), (163, 408317), (637, 104483), (641, 103831), (1141, 58331), (2119, 31409), (4487, 14833), (7987, 8333)]