28888938

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{123457}}^1$

素因数の和:123478

約数の個数: 24

約数和(自身を含む): 67408068

約数和(自身を除く): 38519130

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 123457, 246914, 370371, 740742, 1111113, 1604941, 2222226, 3209882, 4814823, 9629646, 14444469, 28888938]

約数ペア:

[(1, 28888938), (2, 14444469), (3, 9629646), (6, 4814823), (9, 3209882), (13, 2222226), (18, 1604941), (26, 1111113), (39, 740742), (78, 370371), (117, 246914), (234, 123457)]