7978878

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 17875200

約数和(自身を除く): 9896322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1063, 1251, 2126, 2502, 3189, 3753, 6378, 7506, 9567, 19134, 28701, 57402, 147757, 295514, 443271, 886542, 1329813, 2659626, 3989439, 7978878]

約数ペア:

[(1, 7978878), (2, 3989439), (3, 2659626), (6, 1329813), (9, 886542), (18, 443271), (27, 295514), (54, 147757), (139, 57402), (278, 28701), (417, 19134), (834, 9567), (1063, 7506), (1251, 6378), (2126, 3753), (2502, 3189)]