31218383

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2126

約数の個数: 16

約数和(自身を含む): 37632000

約数和(自身を除く): 6413617

約数列:

[1, 7, 23, 97, 161, 679, 1999, 2231, 13993, 15617, 45977, 193903, 321839, 1357321, 4459769, 31218383]

約数ペア:

[(1, 31218383), (7, 4459769), (23, 1357321), (97, 321839), (161, 193903), (679, 45977), (1999, 15617), (2231, 13993)]