128484724

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{1993}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 229134528

約数和(自身を除く): 100649804

約数列:

[1, 2, 4, 71, 142, 227, 284, 454, 908, 1993, 3986, 7972, 16117, 32234, 64468, 141503, 283006, 452411, 566012, 904822, 1809644, 32121181, 64242362, 128484724]

約数ペア:

[(1, 128484724), (2, 64242362), (4, 32121181), (71, 1809644), (142, 904822), (227, 566012), (284, 452411), (454, 283006), (908, 141503), (1993, 64468), (3986, 32234), (7972, 16117)]