19990400211061

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43963}}^1\times {\mathrm{2239949}}^1$

素因数の和:2283948

約数の個数: 16

約数和(自身を含む): 23634518832000

約数和(自身を除く): 3644118620939

約数列:

[1, 7, 29, 203, 43963, 307741, 1274927, 2239949, 8924489, 15679643, 64958521, 454709647, 98474877887, 689324145209, 2855771458723, 19990400211061]

約数ペア:

[(1, 19990400211061), (7, 2855771458723), (29, 689324145209), (203, 98474877887), (43963, 454709647), (307741, 64958521), (1274927, 15679643), (2239949, 8924489)]