289269071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 372774528

約数和(自身を除く): 83505457

約数列:

[1, 7, 13, 37, 53, 91, 259, 371, 481, 689, 1621, 1961, 3367, 4823, 11347, 13727, 21073, 25493, 59977, 85913, 147511, 178451, 419839, 601391, 779701, 1116869, 3178781, 5457907, 7818083, 22251467, 41324153, 289269071]

約数ペア:

[(1, 289269071), (7, 41324153), (13, 22251467), (37, 7818083), (53, 5457907), (91, 3178781), (259, 1116869), (371, 779701), (481, 601391), (689, 419839), (1621, 178451), (1961, 147511), (3367, 85913), (4823, 59977), (11347, 25493), (13727, 21073)]