12971842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7027}}^1$

素因数の和:7113

約数の個数: 16

約数和(自身を含む): 21252672

約数和(自身を除く): 8280830

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 7027, 14054, 91351, 182702, 498917, 997834, 6485921, 12971842]

約数ペア:

[(1, 12971842), (2, 6485921), (13, 997834), (26, 498917), (71, 182702), (142, 91351), (923, 14054), (1846, 7027)]