285642721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6367}}^1$

素因数の和:6433

約数の個数: 32

約数和(自身を含む): 385136640

約数和(自身を除く): 99493919

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 493, 1547, 2639, 3451, 6367, 6409, 44569, 44863, 82771, 108239, 184643, 579397, 757673, 1292501, 1407107, 2400359, 3138931, 9849749, 16802513, 21972517, 40806103, 285642721]

約数ペア:

[(1, 285642721), (7, 40806103), (13, 21972517), (17, 16802513), (29, 9849749), (91, 3138931), (119, 2400359), (203, 1407107), (221, 1292501), (377, 757673), (493, 579397), (1547, 184643), (2639, 108239), (3451, 82771), (6367, 44863), (6409, 44569)]