31486836

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 75891200

約数和(自身を除く): 44404364

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 139, 172, 258, 278, 417, 439, 516, 556, 834, 878, 1317, 1668, 1756, 2634, 5268, 5977, 11954, 17931, 18877, 23908, 35862, 37754, 56631, 61021, 71724, 75508, 113262, 122042, 183063, 226524, 244084, 366126, 732252, 2623903, 5247806, 7871709, 10495612, 15743418, 31486836]

約数ペア:

[(1, 31486836), (2, 15743418), (3, 10495612), (4, 7871709), (6, 5247806), (12, 2623903), (43, 732252), (86, 366126), (129, 244084), (139, 226524), (172, 183063), (258, 122042), (278, 113262), (417, 75508), (439, 71724), (516, 61021), (556, 56631), (834, 37754), (878, 35862), (1317, 23908), (1668, 18877), (1756, 17931), (2634, 11954), (5268, 5977)]