31391864

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11927}}^1$

素因数の和:11987

約数の個数: 32

約数和(自身を含む): 68705280

約数和(自身を除く): 37313416

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 11927, 23854, 47708, 83489, 95416, 166978, 333956, 560569, 667912, 1121138, 2242276, 3923983, 4484552, 7847966, 15695932, 31391864]

約数ペア:

[(1, 31391864), (2, 15695932), (4, 7847966), (7, 4484552), (8, 3923983), (14, 2242276), (28, 1121138), (47, 667912), (56, 560569), (94, 333956), (188, 166978), (329, 95416), (376, 83489), (658, 47708), (1316, 23854), (2632, 11927)]