4005998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2311

約数の個数: 16

約数和(自身を含む): 6462720

約数和(自身を除く): 2456722

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 2243, 4486, 42617, 85234, 105421, 210842, 2002999, 4005998]

約数ペア:

[(1, 4005998), (2, 2002999), (19, 210842), (38, 105421), (47, 85234), (94, 42617), (893, 4486), (1786, 2243)]