12999745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 17262720

約数和(自身を除く): 4262975

約数列:

[1, 5, 11, 55, 71, 355, 781, 3329, 3905, 16645, 36619, 183095, 236359, 1181795, 2599949, 12999745]

約数ペア:

[(1, 12999745), (5, 2599949), (11, 1181795), (55, 236359), (71, 183095), (355, 36619), (781, 16645), (3329, 3905)]