80321816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{528433}}^1$

素因数の和:528458

約数の個数: 16

約数和(自身を含む): 158530200

約数和(自身を除く): 78208384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 528433, 1056866, 2113732, 4227464, 10040227, 20080454, 40160908, 80321816]

約数ペア:

[(1, 80321816), (2, 40160908), (4, 20080454), (8, 10040227), (19, 4227464), (38, 2113732), (76, 1056866), (152, 528433)]