168208638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2156521}}^1$

素因数の和:2156539

約数の個数: 16

約数和(自身を含む): 362295696

約数和(自身を除く): 194087058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2156521, 4313042, 6469563, 12939126, 28034773, 56069546, 84104319, 168208638]

約数ペア:

[(1, 168208638), (2, 84104319), (3, 56069546), (6, 28034773), (13, 12939126), (26, 6469563), (39, 4313042), (78, 2156521)]