12729874

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:801

約数の個数: 16

約数和(自身を含む): 19521216

約数和(自身を除く): 6791342

約数列:

[1, 2, 71, 142, 157, 314, 571, 1142, 11147, 22294, 40541, 81082, 89647, 179294, 6364937, 12729874]

約数ペア:

[(1, 12729874), (2, 6364937), (71, 179294), (142, 89647), (157, 81082), (314, 40541), (571, 22294), (1142, 11147)]