1689644

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{3491}}^1$

素因数の和:3517

約数の個数: 18

約数和(自身を含む): 3251052

約数和(自身を除く): 1561408

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 3491, 6982, 13964, 38401, 76802, 153604, 422411, 844822, 1689644]

約数ペア:

[(1, 1689644), (2, 844822), (4, 422411), (11, 153604), (22, 76802), (44, 38401), (121, 13964), (242, 6982), (484, 3491)]