66080144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317693}}^1$

素因数の和:317714

約数の個数: 20

約数和(自身を含む): 137879196

約数和(自身を除く): 71799052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317693, 635386, 1270772, 2541544, 4130009, 5083088, 8260018, 16520036, 33040072, 66080144]

約数ペア:

[(1, 66080144), (2, 33040072), (4, 16520036), (8, 8260018), (13, 5083088), (16, 4130009), (26, 2541544), (52, 1270772), (104, 635386), (208, 317693)]