27721804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4013}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 53273808

約数和(自身を除く): 25552004

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 4013, 6908, 8026, 16052, 44143, 88286, 176572, 630041, 1260082, 2520164, 6930451, 13860902, 27721804]

約数ペア:

[(1, 27721804), (2, 13860902), (4, 6930451), (11, 2520164), (22, 1260082), (44, 630041), (157, 176572), (314, 88286), (628, 44143), (1727, 16052), (3454, 8026), (4013, 6908)]