31261212

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{5531}}^1$

素因数の和:5698

約数の個数: 36

約数和(自身を含む): 79539096

約数和(自身を除く): 48277884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 5531, 5652, 11062, 16593, 22124, 33186, 49779, 66372, 99558, 199116, 868367, 1736734, 2605101, 3473468, 5210202, 7815303, 10420404, 15630606, 31261212]

約数ペア:

[(1, 31261212), (2, 15630606), (3, 10420404), (4, 7815303), (6, 5210202), (9, 3473468), (12, 2605101), (18, 1736734), (36, 868367), (157, 199116), (314, 99558), (471, 66372), (628, 49779), (942, 33186), (1413, 22124), (1884, 16593), (2826, 11062), (5531, 5652)]