389465310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{998629}}^1$

素因数の和:998652

約数の個数: 32

約数和(自身を含む): 1006619040

約数和(自身を除く): 617153730

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 998629, 1997258, 2995887, 4993145, 5991774, 9986290, 12982177, 14979435, 25964354, 29958870, 38946531, 64910885, 77893062, 129821770, 194732655, 389465310]

約数ペア:

[(1, 389465310), (2, 194732655), (3, 129821770), (5, 77893062), (6, 64910885), (10, 38946531), (13, 29958870), (15, 25964354), (26, 14979435), (30, 12982177), (39, 9986290), (65, 5991774), (78, 4993145), (130, 2995887), (195, 1997258), (390, 998629)]