138878874

素因数分解:

$2^1\times 3^7\times {\mathrm{31751}}^1$

素因数の和:31774

約数の個数: 32

約数和(自身を含む): 312439680

約数和(自身を除く): 173560806

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 31751, 63502, 95253, 190506, 285759, 571518, 857277, 1714554, 2571831, 5143662, 7715493, 15430986, 23146479, 46292958, 69439437, 138878874]

約数ペア:

[(1, 138878874), (2, 69439437), (3, 46292958), (6, 23146479), (9, 15430986), (18, 7715493), (27, 5143662), (54, 2571831), (81, 1714554), (162, 857277), (243, 571518), (486, 285759), (729, 190506), (1458, 95253), (2187, 63502), (4374, 31751)]