261342644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{12689}}^1$

素因数の和:12983

約数の個数: 24

約数和(自身を含む): 483235200

約数和(自身を除く): 221892556

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 1084, 5149, 10298, 12689, 20596, 25378, 50756, 241091, 482182, 964364, 3438719, 6877438, 13754876, 65335661, 130671322, 261342644]

約数ペア:

[(1, 261342644), (2, 130671322), (4, 65335661), (19, 13754876), (38, 6877438), (76, 3438719), (271, 964364), (542, 482182), (1084, 241091), (5149, 50756), (10298, 25378), (12689, 20596)]