77991690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{371389}}^1$

素因数の和:371406

約数の個数: 32

約数和(自身を含む): 213920640

約数和(自身を除く): 135928950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 371389, 742778, 1114167, 1856945, 2228334, 2599723, 3713890, 5199446, 5570835, 7799169, 11141670, 12998615, 15598338, 25997230, 38995845, 77991690]

約数ペア:

[(1, 77991690), (2, 38995845), (3, 25997230), (5, 15598338), (6, 12998615), (7, 11141670), (10, 7799169), (14, 5570835), (15, 5199446), (21, 3713890), (30, 2599723), (35, 2228334), (42, 1856945), (70, 1114167), (105, 742778), (210, 371389)]