15990404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2081}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 29905848

約数和(自身を除く): 13915444

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2081, 3842, 4162, 7684, 8324, 35377, 70754, 141508, 235153, 470306, 940612, 3997601, 7995202, 15990404]

約数ペア:

[(1, 15990404), (2, 7995202), (4, 3997601), (17, 940612), (34, 470306), (68, 235153), (113, 141508), (226, 70754), (452, 35377), (1921, 8324), (2081, 7684), (3842, 4162)]