31218190

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{22787}}^1$

素因数の和:22931

約数の個数: 16

約数和(自身を含む): 56605392

約数和(自身を除く): 25387202

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 22787, 45574, 113935, 227870, 3121819, 6243638, 15609095, 31218190]

約数ペア:

[(1, 31218190), (2, 15609095), (5, 6243638), (10, 3121819), (137, 227870), (274, 113935), (685, 45574), (1370, 22787)]