139640306

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{13327}}^1$

素因数の和:13386

約数の個数: 24

約数和(自身を含む): 234146304

約数和(自身を除く): 94505998

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 13327, 26654, 173251, 346502, 413137, 826274, 2252263, 4504526, 5370781, 10741562, 69820153, 139640306]

約数ペア:

[(1, 139640306), (2, 69820153), (13, 10741562), (26, 5370781), (31, 4504526), (62, 2252263), (169, 826274), (338, 413137), (403, 346502), (806, 173251), (5239, 26654), (10478, 13327)]