26981690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{65809}}^1$

素因数の和:65857

約数の個数: 16

約数和(自身を含む): 49752360

約数和(自身を除く): 22770670

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 65809, 131618, 329045, 658090, 2698169, 5396338, 13490845, 26981690]

約数ペア:

[(1, 26981690), (2, 13490845), (5, 5396338), (10, 2698169), (41, 658090), (82, 329045), (205, 131618), (410, 65809)]