138820812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{889877}}^1$

素因数の和:889897

約数の個数: 24

約数和(自身を含む): 348832176

約数和(自身を除く): 210011364

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 889877, 1779754, 2669631, 3559508, 5339262, 10678524, 11568401, 23136802, 34705203, 46273604, 69410406, 138820812]

約数ペア:

[(1, 138820812), (2, 69410406), (3, 46273604), (4, 34705203), (6, 23136802), (12, 11568401), (13, 10678524), (26, 5339262), (39, 3559508), (52, 2669631), (78, 1779754), (156, 889877)]