28174538

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 50160000

約数和(自身を除く): 21985462

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 499, 518, 763, 998, 1526, 3493, 4033, 6986, 8066, 18463, 28231, 36926, 54391, 56462, 108782, 129241, 258482, 380737, 761474, 2012467, 4024934, 14087269, 28174538]

約数ペア:

[(1, 28174538), (2, 14087269), (7, 4024934), (14, 2012467), (37, 761474), (74, 380737), (109, 258482), (218, 129241), (259, 108782), (499, 56462), (518, 54391), (763, 36926), (998, 28231), (1526, 18463), (3493, 8066), (4033, 6986)]