31390674

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{2179}}^1$

素因数の和:2212

約数の個数: 40

約数和(自身を含む): 73274160

約数和(自身を除く): 41883486

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 2179, 2401, 4358, 4802, 6537, 7203, 13074, 14406, 15253, 30506, 45759, 91518, 106771, 213542, 320313, 640626, 747397, 1494794, 2242191, 4484382, 5231779, 10463558, 15695337, 31390674]

約数ペア:

[(1, 31390674), (2, 15695337), (3, 10463558), (6, 5231779), (7, 4484382), (14, 2242191), (21, 1494794), (42, 747397), (49, 640626), (98, 320313), (147, 213542), (294, 106771), (343, 91518), (686, 45759), (1029, 30506), (2058, 15253), (2179, 14406), (2401, 13074), (4358, 7203), (4802, 6537)]