31980808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2081}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 64083960

約数和(自身を除く): 32103152

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 452, 904, 1921, 2081, 3842, 4162, 7684, 8324, 15368, 16648, 35377, 70754, 141508, 235153, 283016, 470306, 940612, 1881224, 3997601, 7995202, 15990404, 31980808]

約数ペア:

[(1, 31980808), (2, 15990404), (4, 7995202), (8, 3997601), (17, 1881224), (34, 940612), (68, 470306), (113, 283016), (136, 235153), (226, 141508), (452, 70754), (904, 35377), (1921, 16648), (2081, 15368), (3842, 8324), (4162, 7684)]