331333505

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 413520000

約数和(自身を除く): 82186495

約数列:

[1, 5, 41, 79, 205, 395, 499, 1681, 2495, 3239, 8405, 16195, 20459, 39421, 102295, 132799, 197105, 663995, 838819, 1616261, 4194095, 8081305, 66266701, 331333505]

約数ペア:

[(1, 331333505), (5, 66266701), (41, 8081305), (79, 4194095), (205, 1616261), (395, 838819), (499, 663995), (1681, 197105), (2495, 132799), (3239, 102295), (8405, 39421), (16195, 20459)]