138821228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{381377}}^1$

素因数の和:381401

約数の個数: 24

約数和(自身を含む): 299000352

約数和(自身を除く): 160179124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 381377, 762754, 1525508, 2669639, 4957901, 5339278, 9915802, 10678556, 19831604, 34705307, 69410614, 138821228]

約数ペア:

[(1, 138821228), (2, 69410614), (4, 34705307), (7, 19831604), (13, 10678556), (14, 9915802), (26, 5339278), (28, 4957901), (52, 2669639), (91, 1525508), (182, 762754), (364, 381377)]