28748445

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 54763776

約数和(自身を除く): 26015331

約数列:

[1, 3, 5, 11, 15, 17, 33, 37, 51, 55, 85, 111, 165, 185, 187, 255, 277, 407, 555, 561, 629, 831, 935, 1221, 1385, 1887, 2035, 2805, 3047, 3145, 4155, 4709, 6105, 6919, 9141, 9435, 10249, 14127, 15235, 20757, 23545, 30747, 34595, 45705, 51245, 51799, 70635, 103785, 112739, 153735, 155397, 174233, 258995, 338217, 522699, 563695, 776985, 871165, 1691085, 1916563, 2613495, 5749689, 9582815, 28748445]

約数ペア:

[(1, 28748445), (3, 9582815), (5, 5749689), (11, 2613495), (15, 1916563), (17, 1691085), (33, 871165), (37, 776985), (51, 563695), (55, 522699), (85, 338217), (111, 258995), (165, 174233), (185, 155397), (187, 153735), (255, 112739), (277, 103785), (407, 70635), (555, 51799), (561, 51245), (629, 45705), (831, 34595), (935, 30747), (1221, 23545), (1385, 20757), (1887, 15235), (2035, 14127), (2805, 10249), (3047, 9435), (3145, 9141), (4155, 6919), (4709, 6105)]