289403526

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{29537}}^1$

素因数の和:29636

約数の個数: 32

約数和(自身を含む): 612499968

約数和(自身を除く): 323096442

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 138, 142, 213, 426, 1633, 3266, 4899, 9798, 29537, 59074, 88611, 177222, 679351, 1358702, 2038053, 2097127, 4076106, 4194254, 6291381, 12582762, 48233921, 96467842, 144701763, 289403526]

約数ペア:

[(1, 289403526), (2, 144701763), (3, 96467842), (6, 48233921), (23, 12582762), (46, 6291381), (69, 4194254), (71, 4076106), (138, 2097127), (142, 2038053), (213, 1358702), (426, 679351), (1633, 177222), (3266, 88611), (4899, 59074), (9798, 29537)]