128738071

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{4903}}^1$

素因数の和:4963

約数の個数: 24

約数和(自身を含む): 166971392

約数和(自身を除く): 38233321

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 2387, 3751, 4903, 26257, 34321, 53933, 151993, 377531, 593263, 1063951, 1671923, 4152841, 11703461, 18391153, 128738071]

約数ペア:

[(1, 128738071), (7, 18391153), (11, 11703461), (31, 4152841), (77, 1671923), (121, 1063951), (217, 593263), (341, 377531), (847, 151993), (2387, 53933), (3751, 34321), (4903, 26257)]