1689004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 3120768

約数和(自身を除く): 1431764

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 257, 514, 1028, 1643, 3286, 6572, 7967, 13621, 15934, 27242, 31868, 54484, 422251, 844502, 1689004]

約数ペア:

[(1, 1689004), (2, 844502), (4, 422251), (31, 54484), (53, 31868), (62, 27242), (106, 15934), (124, 13621), (212, 7967), (257, 6572), (514, 3286), (1028, 1643)]