31890784

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 33306656

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 109, 164, 218, 223, 328, 436, 446, 656, 872, 892, 1312, 1744, 1784, 3488, 3568, 4469, 7136, 8938, 9143, 17876, 18286, 24307, 35752, 36572, 48614, 71504, 73144, 97228, 143008, 146288, 194456, 292576, 388912, 777824, 996587, 1993174, 3986348, 7972696, 15945392, 31890784]

約数ペア:

[(1, 31890784), (2, 15945392), (4, 7972696), (8, 3986348), (16, 1993174), (32, 996587), (41, 777824), (82, 388912), (109, 292576), (164, 194456), (218, 146288), (223, 143008), (328, 97228), (436, 73144), (446, 71504), (656, 48614), (872, 36572), (892, 35752), (1312, 24307), (1744, 18286), (1784, 17876), (3488, 9143), (3568, 8938), (4469, 7136)]