71312318

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 139138560

約数和(自身を除く): 67826242

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 89, 121, 154, 178, 242, 301, 473, 602, 623, 847, 946, 979, 1246, 1331, 1694, 1958, 2662, 3311, 3827, 5203, 6622, 6853, 7654, 9317, 10406, 10769, 13706, 18634, 21538, 26789, 36421, 42097, 53578, 57233, 72842, 75383, 84194, 114466, 118459, 150766, 236918, 294679, 400631, 463067, 589358, 801262, 829213, 926134, 1658426, 3241469, 5093737, 6482938, 10187474, 35656159, 71312318]

約数ペア:

[(1, 71312318), (2, 35656159), (7, 10187474), (11, 6482938), (14, 5093737), (22, 3241469), (43, 1658426), (77, 926134), (86, 829213), (89, 801262), (121, 589358), (154, 463067), (178, 400631), (242, 294679), (301, 236918), (473, 150766), (602, 118459), (623, 114466), (847, 84194), (946, 75383), (979, 72842), (1246, 57233), (1331, 53578), (1694, 42097), (1958, 36421), (2662, 26789), (3311, 21538), (3827, 18634), (5203, 13706), (6622, 10769), (6853, 10406), (7654, 9317)]