81057970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2579}}^1$

素因数の和:3042

約数の個数: 32

約数和(自身を含む): 167184000

約数和(自身を除く): 86126030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 898, 2245, 2579, 3143, 4490, 5158, 6286, 12895, 15715, 18053, 25790, 31430, 36106, 90265, 180530, 1157971, 2315942, 5789855, 8105797, 11579710, 16211594, 40528985, 81057970]

約数ペア:

[(1, 81057970), (2, 40528985), (5, 16211594), (7, 11579710), (10, 8105797), (14, 5789855), (35, 2315942), (70, 1157971), (449, 180530), (898, 90265), (2245, 36106), (2579, 31430), (3143, 25790), (4490, 18053), (5158, 15715), (6286, 12895)]