31991848

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1439}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 68774400

約数和(自身を除く): 36782552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1439, 1588, 2779, 2878, 3176, 5558, 5756, 10073, 11116, 11512, 20146, 22232, 40292, 80584, 571283, 1142566, 2285132, 3998981, 4570264, 7997962, 15995924, 31991848]

約数ペア:

[(1, 31991848), (2, 15995924), (4, 7997962), (7, 4570264), (8, 3998981), (14, 2285132), (28, 1142566), (56, 571283), (397, 80584), (794, 40292), (1439, 22232), (1588, 20146), (2779, 11512), (2878, 11116), (3176, 10073), (5558, 5756)]