128656474

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{20947}}^1$

素因数の和:21069

約数の個数: 16

約数和(自身を含む): 200598048

約数和(自身を除く): 71941574

約数列:

[1, 2, 37, 74, 83, 166, 3071, 6142, 20947, 41894, 775039, 1550078, 1738601, 3477202, 64328237, 128656474]

約数ペア:

[(1, 128656474), (2, 64328237), (37, 3477202), (74, 1738601), (83, 1550078), (166, 775039), (3071, 41894), (6142, 20947)]