28011348

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^2\times {\mathrm{277}}^1$

素因数の和:393

約数の個数: 54

約数和(自身を含む): 72428174

約数和(自身を除く): 44416826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 277, 318, 477, 554, 636, 831, 954, 1108, 1662, 1908, 2493, 2809, 3324, 4986, 5618, 8427, 9972, 11236, 14681, 16854, 25281, 29362, 33708, 44043, 50562, 58724, 88086, 101124, 132129, 176172, 264258, 528516, 778093, 1556186, 2334279, 3112372, 4668558, 7002837, 9337116, 14005674, 28011348]

約数ペア:

[(1, 28011348), (2, 14005674), (3, 9337116), (4, 7002837), (6, 4668558), (9, 3112372), (12, 2334279), (18, 1556186), (36, 778093), (53, 528516), (106, 264258), (159, 176172), (212, 132129), (277, 101124), (318, 88086), (477, 58724), (554, 50562), (636, 44043), (831, 33708), (954, 29362), (1108, 25281), (1662, 16854), (1908, 14681), (2493, 11236), (2809, 9972), (3324, 8427), (4986, 5618)]