12761398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 21676032

約数和(自身を除く): 8914634

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 223, 403, 446, 806, 923, 1846, 2201, 2899, 4402, 5798, 6913, 13826, 15833, 28613, 31666, 57226, 89869, 179738, 205829, 411658, 490823, 981646, 6380699, 12761398]

約数ペア:

[(1, 12761398), (2, 6380699), (13, 981646), (26, 490823), (31, 411658), (62, 205829), (71, 179738), (142, 89869), (223, 57226), (403, 31666), (446, 28613), (806, 15833), (923, 13826), (1846, 6913), (2201, 5798), (2899, 4402)]