12989886

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 32890368

約数和(自身を除く): 19900482

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 37, 39, 42, 74, 78, 91, 111, 182, 222, 259, 273, 481, 518, 546, 643, 777, 962, 1286, 1443, 1554, 1929, 2886, 3367, 3858, 4501, 6734, 8359, 9002, 10101, 13503, 16718, 20202, 23791, 25077, 27006, 47582, 50154, 58513, 71373, 117026, 142746, 166537, 175539, 309283, 333074, 351078, 499611, 618566, 927849, 999222, 1855698, 2164981, 4329962, 6494943, 12989886]

約数ペア:

[(1, 12989886), (2, 6494943), (3, 4329962), (6, 2164981), (7, 1855698), (13, 999222), (14, 927849), (21, 618566), (26, 499611), (37, 351078), (39, 333074), (42, 309283), (74, 175539), (78, 166537), (91, 142746), (111, 117026), (182, 71373), (222, 58513), (259, 50154), (273, 47582), (481, 27006), (518, 25077), (546, 23791), (643, 20202), (777, 16718), (962, 13503), (1286, 10101), (1443, 9002), (1554, 8359), (1929, 6734), (2886, 4501), (3367, 3858)]