28928963

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:256

約数の個数: 32

約数和(自身を含む): 37248000

約数和(自身を除く): 8319037

約数列:

[1, 7, 19, 23, 49, 133, 161, 193, 343, 437, 931, 1127, 1351, 3059, 3667, 4439, 6517, 7889, 9457, 21413, 25669, 31073, 66199, 84341, 149891, 179683, 217511, 590387, 1257781, 1522577, 4132709, 28928963]

約数ペア:

[(1, 28928963), (7, 4132709), (19, 1522577), (23, 1257781), (49, 590387), (133, 217511), (161, 179683), (193, 149891), (343, 84341), (437, 66199), (931, 31073), (1127, 25669), (1351, 21413), (3059, 9457), (3667, 7889), (4439, 6517)]