209345530

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{164839}}^1$

素因数の和:164973

約数の個数: 16

約数和(自身を含む): 379791360

約数和(自身を除く): 170445830

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 164839, 329678, 824195, 1648390, 20934553, 41869106, 104672765, 209345530]

約数ペア:

[(1, 209345530), (2, 104672765), (5, 41869106), (10, 20934553), (127, 1648390), (254, 824195), (635, 329678), (1270, 164839)]