81218024

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{79939}}^1$

素因数の和:80072

約数の個数: 16

約数和(自身を含む): 153484800

約数和(自身を除く): 72266776

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 79939, 159878, 319756, 639512, 10152253, 20304506, 40609012, 81218024]

約数ペア:

[(1, 81218024), (2, 40609012), (4, 20304506), (8, 10152253), (127, 639512), (254, 319756), (508, 159878), (1016, 79939)]