39721381

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2957}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 48274560

約数和(自身を除く): 8553179

約数列:

[1, 7, 19, 101, 133, 707, 1919, 2957, 13433, 20699, 56183, 298657, 393281, 2090599, 5674483, 39721381]

約数ペア:

[(1, 39721381), (7, 5674483), (19, 2090599), (101, 393281), (133, 298657), (707, 56183), (1919, 20699), (2957, 13433)]