2019957455

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 2538926208

約数和(自身を除く): 518968753

約数列:

[1, 5, 41, 71, 137, 205, 355, 685, 1013, 2911, 5065, 5617, 9727, 14555, 28085, 41533, 48635, 71923, 138781, 207665, 359615, 398807, 693905, 1994035, 2948843, 5690021, 9853451, 14744215, 28450105, 49267255, 403991491, 2019957455]

約数ペア:

[(1, 2019957455), (5, 403991491), (41, 49267255), (71, 28450105), (137, 14744215), (205, 9853451), (355, 5690021), (685, 2948843), (1013, 1994035), (2911, 693905), (5065, 398807), (5617, 359615), (9727, 207665), (14555, 138781), (28085, 71923), (41533, 48635)]