201998519021

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{163981}}^1$

素因数の和:164241

約数の個数: 24

約数和(自身を含む): 225785503944

約数和(自身を除く): 23786984923

約数列:

[1, 13, 37, 169, 197, 481, 2561, 6253, 7289, 33293, 94757, 163981, 1231841, 2131753, 6067297, 27712789, 32304257, 78874861, 419955341, 1025373193, 1195257509, 5459419433, 15538347617, 201998519021]

約数ペア:

[(1, 201998519021), (13, 15538347617), (37, 5459419433), (169, 1195257509), (197, 1025373193), (481, 419955341), (2561, 78874861), (6253, 32304257), (7289, 27712789), (33293, 6067297), (94757, 2131753), (163981, 1231841)]