31561656

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 98081280

約数和(自身を除く): 66519624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 43, 51, 56, 68, 84, 86, 102, 119, 129, 136, 168, 172, 204, 238, 257, 258, 301, 344, 357, 408, 476, 514, 516, 602, 714, 731, 771, 903, 952, 1028, 1032, 1204, 1428, 1462, 1542, 1799, 1806, 2056, 2193, 2408, 2856, 2924, 3084, 3598, 3612, 4369, 4386, 5117, 5397, 5848, 6168, 7196, 7224, 8738, 8772, 10234, 10794, 11051, 13107, 14392, 15351, 17476, 17544, 20468, 21588, 22102, 26214, 30583, 30702, 33153, 34952, 40936, 43176, 44204, 52428, 61166, 61404, 66306, 77357, 88408, 91749, 104856, 122332, 122808, 132612, 154714, 183498, 187867, 232071, 244664, 265224, 309428, 366996, 375734, 464142, 563601, 618856, 733992, 751468, 928284, 1127202, 1315069, 1502936, 1856568, 2254404, 2630138, 3945207, 4508808, 5260276, 7890414, 10520552, 15780828, 31561656]

約数ペア:

[(1, 31561656), (2, 15780828), (3, 10520552), (4, 7890414), (6, 5260276), (7, 4508808), (8, 3945207), (12, 2630138), (14, 2254404), (17, 1856568), (21, 1502936), (24, 1315069), (28, 1127202), (34, 928284), (42, 751468), (43, 733992), (51, 618856), (56, 563601), (68, 464142), (84, 375734), (86, 366996), (102, 309428), (119, 265224), (129, 244664), (136, 232071), (168, 187867), (172, 183498), (204, 154714), (238, 132612), (257, 122808), (258, 122332), (301, 104856), (344, 91749), (357, 88408), (408, 77357), (476, 66306), (514, 61404), (516, 61166), (602, 52428), (714, 44204), (731, 43176), (771, 40936), (903, 34952), (952, 33153), (1028, 30702), (1032, 30583), (1204, 26214), (1428, 22102), (1462, 21588), (1542, 20468), (1799, 17544), (1806, 17476), (2056, 15351), (2193, 14392), (2408, 13107), (2856, 11051), (2924, 10794), (3084, 10234), (3598, 8772), (3612, 8738), (4369, 7224), (4386, 7196), (5117, 6168), (5397, 5848)]