31980004

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5413}}^1$

素因数の和:5635

約数の個数: 24

約数和(自身を含む): 64275008

約数和(自身を除く): 32295004

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 5413, 5908, 10826, 21652, 37891, 75782, 151564, 1142143, 2284286, 4568572, 7995001, 15990002, 31980004]

約数ペア:

[(1, 31980004), (2, 15990002), (4, 7995001), (7, 4568572), (14, 2284286), (28, 1142143), (211, 151564), (422, 75782), (844, 37891), (1477, 21652), (2954, 10826), (5413, 5908)]