639825426

素因数分解:

$2^1\times 3^3\times {\mathrm{11848619}}^1$

素因数の和:11848630

約数の個数: 16

約数和(自身を含む): 1421834400

約数和(自身を除く): 782008974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 11848619, 23697238, 35545857, 71091714, 106637571, 213275142, 319912713, 639825426]

約数ペア:

[(1, 639825426), (2, 319912713), (3, 213275142), (6, 106637571), (9, 71091714), (18, 35545857), (27, 23697238), (54, 11848619)]