31551212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1262

約数の個数: 48

約数和(自身を含む): 69672960

約数和(自身を除く): 38121748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1151, 1246, 1958, 2302, 2492, 3916, 4604, 6853, 8057, 12661, 13706, 16114, 25322, 27412, 32228, 50644, 88627, 102439, 177254, 204878, 354508, 409756, 717073, 1126829, 1434146, 2253658, 2868292, 4507316, 7887803, 15775606, 31551212]

約数ペア:

[(1, 31551212), (2, 15775606), (4, 7887803), (7, 4507316), (11, 2868292), (14, 2253658), (22, 1434146), (28, 1126829), (44, 717073), (77, 409756), (89, 354508), (154, 204878), (178, 177254), (308, 102439), (356, 88627), (623, 50644), (979, 32228), (1151, 27412), (1246, 25322), (1958, 16114), (2302, 13706), (2492, 12661), (3916, 8057), (4604, 6853)]