2589215

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 16

約数和(自身を含む): 3231360

約数和(自身を除く): 642145

約数列:

[1, 5, 59, 67, 131, 295, 335, 655, 3953, 7729, 8777, 19765, 38645, 43885, 517843, 2589215]

約数ペア:

[(1, 2589215), (5, 517843), (59, 43885), (67, 38645), (131, 19765), (295, 8777), (335, 7729), (655, 3953)]