389675258903

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1\times {\mathrm{1210777}}^1$

素因数の和:1212806

約数の個数: 16

約数和(自身を含む): 464938752000

約数和(自身を除く): 75263493097

約数列:

[1, 7, 23, 161, 1999, 13993, 45977, 321839, 1210777, 8475439, 27847871, 194935097, 2420343223, 16942402561, 55667894129, 389675258903]

約数ペア:

[(1, 389675258903), (7, 55667894129), (23, 16942402561), (161, 2420343223), (1999, 194935097), (13993, 27847871), (45977, 8475439), (321839, 1210777)]