31891212

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4243

約数の個数: 48

約数和(自身を含む): 83865600

約数和(自身を除く): 51974388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3834, 4159, 7668, 8318, 12477, 16636, 24954, 37431, 49908, 74862, 112293, 149724, 224586, 295289, 449172, 590578, 885867, 1181156, 1771734, 2657601, 3543468, 5315202, 7972803, 10630404, 15945606, 31891212]

約数ペア:

[(1, 31891212), (2, 15945606), (3, 10630404), (4, 7972803), (6, 5315202), (9, 3543468), (12, 2657601), (18, 1771734), (27, 1181156), (36, 885867), (54, 590578), (71, 449172), (108, 295289), (142, 224586), (213, 149724), (284, 112293), (426, 74862), (639, 49908), (852, 37431), (1278, 24954), (1917, 16636), (2556, 12477), (3834, 8318), (4159, 7668)]