398945593804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{5249284129}}^1$

素因数の和:5249284152

約数の個数: 12

約数和(自身を含む): 734899778200

約数和(自身を除く): 335954184396

約数列:

[1, 2, 4, 19, 38, 76, 5249284129, 10498568258, 20997136516, 99736398451, 199472796902, 398945593804]

約数ペア:

[(1, 398945593804), (2, 199472796902), (4, 99736398451), (19, 20997136516), (38, 10498568258), (76, 5249284129)]