31897090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{138683}}^1$

素因数の和:138713

約数の個数: 16

約数和(自身を含む): 59911488

約数和(自身を除く): 28014398

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 138683, 277366, 693415, 1386830, 3189709, 6379418, 15948545, 31897090]

約数ペア:

[(1, 31897090), (2, 15948545), (5, 6379418), (10, 3189709), (23, 1386830), (46, 693415), (115, 277366), (230, 138683)]