16649690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40609}}^1$

素因数の和:40657

約数の個数: 16

約数和(自身を含む): 30701160

約数和(自身を除く): 14051470

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 40609, 81218, 203045, 406090, 1664969, 3329938, 8324845, 16649690]

約数ペア:

[(1, 16649690), (2, 8324845), (5, 3329938), (10, 1664969), (41, 406090), (82, 203045), (205, 81218), (410, 40609)]