2107790

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1609}}^1$

素因数の和:1747

約数の個数: 16

約数和(自身を含む): 3825360

約数和(自身を除く): 1717570

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 1609, 3218, 8045, 16090, 210779, 421558, 1053895, 2107790]

約数ペア:

[(1, 2107790), (2, 1053895), (5, 421558), (10, 210779), (131, 16090), (262, 8045), (655, 3218), (1310, 1609)]