31097990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40387}}^1$

素因数の和:40412

約数の個数: 32

約数和(自身を含む): 69790464

約数和(自身を除く): 38692474

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 40387, 80774, 201935, 282709, 403870, 444257, 565418, 888514, 1413545, 2221285, 2827090, 3109799, 4442570, 6219598, 15548995, 31097990]

約数ペア:

[(1, 31097990), (2, 15548995), (5, 6219598), (7, 4442570), (10, 3109799), (11, 2827090), (14, 2221285), (22, 1413545), (35, 888514), (55, 565418), (70, 444257), (77, 403870), (110, 282709), (154, 201935), (385, 80774), (770, 40387)]