28106804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1301}}^1$

素因数の和:1807

約数の個数: 24

約数和(自身を含む): 53809056

約数和(自身を除く): 25702252

約数列:

[1, 2, 4, 11, 22, 44, 491, 982, 1301, 1964, 2602, 5204, 5401, 10802, 14311, 21604, 28622, 57244, 638791, 1277582, 2555164, 7026701, 14053402, 28106804]

約数ペア:

[(1, 28106804), (2, 14053402), (4, 7026701), (11, 2555164), (22, 1277582), (44, 638791), (491, 57244), (982, 28622), (1301, 21604), (1964, 14311), (2602, 10802), (5204, 5401)]