80439289

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 93225600

約数和(自身を除く): 12786311

約数列:

[1, 7, 149, 233, 331, 1043, 1631, 2317, 34717, 49319, 77123, 243019, 345233, 539861, 11491327, 80439289]

約数ペア:

[(1, 80439289), (7, 11491327), (149, 539861), (233, 345233), (331, 243019), (1043, 77123), (1631, 49319), (2317, 34717)]