1720668

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:873

約数の個数: 24

約数和(自身を含む): 4039168

約数和(自身を除く): 2318500

約数列:

[1, 2, 3, 4, 6, 12, 223, 446, 643, 669, 892, 1286, 1338, 1929, 2572, 2676, 3858, 7716, 143389, 286778, 430167, 573556, 860334, 1720668]

約数ペア:

[(1, 1720668), (2, 860334), (3, 573556), (4, 430167), (6, 286778), (12, 143389), (223, 7716), (446, 3858), (643, 2676), (669, 2572), (892, 1929), (1286, 1338)]