221755874

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{21559}}^1$

素因数の和:21737

約数の個数: 16

約数和(自身を含む): 344097600

約数和(自身を除く): 122341726

約数列:

[1, 2, 37, 74, 139, 278, 5143, 10286, 21559, 43118, 797683, 1595366, 2996701, 5993402, 110877937, 221755874]

約数ペア:

[(1, 221755874), (2, 110877937), (37, 5993402), (74, 2996701), (139, 1595366), (278, 797683), (5143, 43118), (10286, 21559)]