81118628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{20219}}^1$

素因数の和:20299

約数の個数: 24

約数和(自身を含む): 152863200

約数和(自身を除く): 71744572

約数列:

[1, 2, 4, 17, 34, 59, 68, 118, 236, 1003, 2006, 4012, 20219, 40438, 80876, 343723, 687446, 1192921, 1374892, 2385842, 4771684, 20279657, 40559314, 81118628]

約数ペア:

[(1, 81118628), (2, 40559314), (4, 20279657), (17, 4771684), (34, 2385842), (59, 1374892), (68, 1192921), (118, 687446), (236, 343723), (1003, 80876), (2006, 40438), (4012, 20219)]