209548417

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 237746432

約数和(自身を除く): 28198015

約数列:

[1, 13, 41, 43, 223, 533, 559, 1681, 1763, 2899, 9143, 9589, 21853, 22919, 72283, 118859, 124657, 374863, 393149, 939679, 4873219, 5110937, 16119109, 209548417]

約数ペア:

[(1, 209548417), (13, 16119109), (41, 5110937), (43, 4873219), (223, 939679), (533, 393149), (559, 374863), (1681, 124657), (1763, 118859), (2899, 72283), (9143, 22919), (9589, 21853)]