643014

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:404

約数の個数: 24

約数和(自身を含む): 1408680

約数和(自身を除く): 765666

約数列:

[1, 2, 3, 6, 9, 18, 139, 257, 278, 417, 514, 771, 834, 1251, 1542, 2313, 2502, 4626, 35723, 71446, 107169, 214338, 321507, 643014]

約数ペア:

[(1, 643014), (2, 321507), (3, 214338), (6, 107169), (9, 71446), (18, 35723), (139, 4626), (257, 2502), (278, 2313), (417, 1542), (514, 1251), (771, 834)]