642487679

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{2591}}^1$

素因数の和:3062

約数の個数: 16

約数和(自身を含む): 700047360

約数和(自身を除く): 57559681

約数列:

[1, 19, 31, 421, 589, 2591, 7999, 13051, 49229, 80321, 247969, 1090811, 1526099, 20725409, 33815141, 642487679]

約数ペア:

[(1, 642487679), (19, 33815141), (31, 20725409), (421, 1526099), (589, 1090811), (2591, 247969), (7999, 80321), (13051, 49229)]