997161985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{701}}^1\times {\mathrm{4007}}^1$

素因数の和:4784

約数の個数: 16

約数和(自身を含む): 1215482112

約数和(自身を除く): 218320127

約数列:

[1, 5, 71, 355, 701, 3505, 4007, 20035, 49771, 248855, 284497, 1422485, 2808907, 14044535, 199432397, 997161985]

約数ペア:

[(1, 997161985), (5, 199432397), (71, 14044535), (355, 2808907), (701, 1422485), (3505, 284497), (4007, 248855), (20035, 49771)]