28877238

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{123407}}^1$

素因数の和:123428

約数の個数: 24

約数和(自身を含む): 67380768

約数和(自身を除く): 38503530

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 123407, 246814, 370221, 740442, 1110663, 1604291, 2221326, 3208582, 4812873, 9625746, 14438619, 28877238]

約数ペア:

[(1, 28877238), (2, 14438619), (3, 9625746), (6, 4812873), (9, 3208582), (13, 2221326), (18, 1604291), (26, 1110663), (39, 740442), (78, 370221), (117, 246814), (234, 123407)]