4920991621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{12763}}^1$

素因数の和:13025

約数の個数: 32

約数和(自身を含む): 6404464640

約数和(自身を除く): 1483473019

約数列:

[1, 7, 13, 19, 91, 133, 223, 247, 1561, 1729, 2899, 4237, 12763, 20293, 29659, 55081, 89341, 165919, 242497, 385567, 1161433, 1697479, 2846149, 3152461, 19923043, 22067227, 36999937, 54076831, 258999559, 378537817, 702998803, 4920991621]

約数ペア:

[(1, 4920991621), (7, 702998803), (13, 378537817), (19, 258999559), (91, 54076831), (133, 36999937), (223, 22067227), (247, 19923043), (1561, 3152461), (1729, 2846149), (2899, 1697479), (4237, 1161433), (12763, 385567), (20293, 242497), (29659, 165919), (55081, 89341)]