1999761775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{36913}}^1$

素因数の和:37131

約数の個数: 24

約数和(自身を含む): 2718937584

約数和(自身を除く): 719175809

約数列:

[1, 5, 11, 25, 55, 197, 275, 985, 2167, 4925, 10835, 36913, 54175, 184565, 406043, 922825, 2030215, 7271861, 10151075, 36359305, 79990471, 181796525, 399952355, 1999761775]

約数ペア:

[(1, 1999761775), (5, 399952355), (11, 181796525), (25, 79990471), (55, 36359305), (197, 10151075), (275, 7271861), (985, 2030215), (2167, 922825), (4925, 406043), (10835, 184565), (36913, 54175)]