668868473

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1481}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 839671560

約数和(自身を除く): 170803087

約数列:

[1, 7, 13, 49, 91, 637, 709, 1481, 4963, 9217, 10367, 19253, 34741, 64519, 72569, 134771, 451633, 943397, 1050029, 7350203, 13650377, 51451421, 95552639, 668868473]

約数ペア:

[(1, 668868473), (7, 95552639), (13, 51451421), (49, 13650377), (91, 7350203), (637, 1050029), (709, 943397), (1481, 451633), (4963, 134771), (9217, 72569), (10367, 64519), (19253, 34741)]