279989788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{42397}}^1$

素因数の和:42541

約数の個数: 24

約数和(自身を含む): 531840512

約数和(自身を除く): 251850724

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 42397, 84794, 169588, 551161, 1102322, 2204644, 5384419, 10768838, 21537676, 69997447, 139994894, 279989788]

約数ペア:

[(1, 279989788), (2, 139994894), (4, 69997447), (13, 21537676), (26, 10768838), (52, 5384419), (127, 2204644), (254, 1102322), (508, 551161), (1651, 169588), (3302, 84794), (6604, 42397)]