78309385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{41}}^2$

素因数の和:127

約数の個数: 48

約数和(自身を含む): 121078656

約数和(自身を除く): 42769271

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 121, 205, 287, 385, 451, 605, 847, 1331, 1435, 1681, 2255, 3157, 4235, 4961, 6655, 8405, 9317, 11767, 15785, 18491, 24805, 34727, 46585, 54571, 58835, 92455, 129437, 173635, 203401, 272855, 381997, 647185, 1017005, 1423807, 1909985, 2237411, 7119035, 11187055, 15661877, 78309385]

約数ペア:

[(1, 78309385), (5, 15661877), (7, 11187055), (11, 7119035), (35, 2237411), (41, 1909985), (55, 1423807), (77, 1017005), (121, 647185), (205, 381997), (287, 272855), (385, 203401), (451, 173635), (605, 129437), (847, 92455), (1331, 58835), (1435, 54571), (1681, 46585), (2255, 34727), (3157, 24805), (4235, 18491), (4961, 15785), (6655, 11767), (8405, 9317)]