128972308

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{2707}}^1$

素因数の和:3031

約数の個数: 24

約数和(自身を含む): 231869792

約数和(自身を除く): 102897484

約数列:

[1, 2, 4, 43, 86, 172, 277, 554, 1108, 2707, 5414, 10828, 11911, 23822, 47644, 116401, 232802, 465604, 749839, 1499678, 2999356, 32243077, 64486154, 128972308]

約数ペア:

[(1, 128972308), (2, 64486154), (4, 32243077), (43, 2999356), (86, 1499678), (172, 749839), (277, 465604), (554, 232802), (1108, 116401), (2707, 47644), (5414, 23822), (10828, 11911)]