81810290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3187}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 157002624

約数和(自身を除く): 75192334

約数列:

[1, 2, 5, 10, 17, 34, 85, 151, 170, 302, 755, 1510, 2567, 3187, 5134, 6374, 12835, 15935, 25670, 31870, 54179, 108358, 270895, 481237, 541790, 962474, 2406185, 4812370, 8181029, 16362058, 40905145, 81810290]

約数ペア:

[(1, 81810290), (2, 40905145), (5, 16362058), (10, 8181029), (17, 4812370), (34, 2406185), (85, 962474), (151, 541790), (170, 481237), (302, 270895), (755, 108358), (1510, 54179), (2567, 31870), (3187, 25670), (5134, 15935), (6374, 12835)]