28881918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{123427}}^1$

素因数の和:123448

約数の個数: 24

約数和(自身を含む): 67391688

約数和(自身を除く): 38509770

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 123427, 246854, 370281, 740562, 1110843, 1604551, 2221686, 3209102, 4813653, 9627306, 14440959, 28881918]

約数ペア:

[(1, 28881918), (2, 14440959), (3, 9627306), (6, 4813653), (9, 3209102), (13, 2221686), (18, 1604551), (26, 1110843), (39, 740562), (78, 370281), (117, 246854), (234, 123427)]