90678786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 206447616

約数和(自身を除く): 115768830

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 71, 74, 111, 142, 213, 222, 407, 426, 523, 781, 814, 1046, 1221, 1562, 1569, 2343, 2442, 2627, 3138, 4686, 5254, 5753, 7881, 11506, 15762, 17259, 19351, 28897, 34518, 37133, 38702, 57794, 58053, 74266, 86691, 111399, 116106, 173382, 212861, 222798, 408463, 425722, 638583, 816926, 1225389, 1277166, 1373921, 2450778, 2747842, 4121763, 8243526, 15113131, 30226262, 45339393, 90678786]

約数ペア:

[(1, 90678786), (2, 45339393), (3, 30226262), (6, 15113131), (11, 8243526), (22, 4121763), (33, 2747842), (37, 2450778), (66, 1373921), (71, 1277166), (74, 1225389), (111, 816926), (142, 638583), (213, 425722), (222, 408463), (407, 222798), (426, 212861), (523, 173382), (781, 116106), (814, 111399), (1046, 86691), (1221, 74266), (1562, 58053), (1569, 57794), (2343, 38702), (2442, 37133), (2627, 34518), (3138, 28897), (4686, 19351), (5254, 17259), (5753, 15762), (7881, 11506)]