81172210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{28283}}^1$

素因数の和:28338

約数の個数: 32

約数和(自身を含む): 171061632

約数和(自身を除く): 89889422

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 28283, 56566, 141415, 197981, 282830, 395962, 989905, 1159603, 1979810, 2319206, 5798015, 8117221, 11596030, 16234442, 40586105, 81172210]

約数ペア:

[(1, 81172210), (2, 40586105), (5, 16234442), (7, 11596030), (10, 8117221), (14, 5798015), (35, 2319206), (41, 1979810), (70, 1159603), (82, 989905), (205, 395962), (287, 282830), (410, 197981), (574, 141415), (1435, 56566), (2870, 28283)]