778889969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 995210496

約数和(自身を除く): 216320527

約数列:

[1, 11, 13, 17, 47, 143, 187, 221, 289, 401, 517, 611, 799, 2431, 3179, 3757, 4411, 5213, 6721, 6817, 8789, 10387, 13583, 18847, 41327, 57343, 74987, 88621, 114257, 115889, 149413, 176579, 207317, 245011, 320399, 974831, 1274779, 1506557, 1942369, 2695121, 3524389, 4165187, 5446783, 16572127, 45817057, 59914613, 70808179, 778889969]

約数ペア:

[(1, 778889969), (11, 70808179), (13, 59914613), (17, 45817057), (47, 16572127), (143, 5446783), (187, 4165187), (221, 3524389), (289, 2695121), (401, 1942369), (517, 1506557), (611, 1274779), (799, 974831), (2431, 320399), (3179, 245011), (3757, 207317), (4411, 176579), (5213, 149413), (6721, 115889), (6817, 114257), (8789, 88621), (10387, 74987), (13583, 57343), (18847, 41327)]