642499421

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{5009}}^1$

素因数の和:5228

約数の個数: 16

約数和(自身を含む): 696590400

約数和(自身を除く): 54090979

約数列:

[1, 19, 43, 157, 817, 2983, 5009, 6751, 95171, 128269, 215387, 786413, 4092353, 14941847, 33815759, 642499421]

約数ペア:

[(1, 642499421), (19, 33815759), (43, 14941847), (157, 4092353), (817, 786413), (2983, 215387), (5009, 128269), (6751, 95171)]