99901998

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2381}}^1$

素因数の和:2439

約数の個数: 80

約数和(自身を含む): 262858464

約数和(自身を除く): 162956466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 518, 567, 666, 777, 999, 1134, 1554, 1998, 2331, 2381, 2997, 4662, 4762, 5994, 6993, 7143, 13986, 14286, 16667, 20979, 21429, 33334, 41958, 42858, 50001, 64287, 88097, 100002, 128574, 150003, 176194, 192861, 264291, 300006, 385722, 450009, 528582, 616679, 792873, 900018, 1233358, 1350027, 1585746, 1850037, 2378619, 2700054, 3700074, 4757238, 5550111, 7135857, 11100222, 14271714, 16650333, 33300666, 49950999, 99901998]

約数ペア:

[(1, 99901998), (2, 49950999), (3, 33300666), (6, 16650333), (7, 14271714), (9, 11100222), (14, 7135857), (18, 5550111), (21, 4757238), (27, 3700074), (37, 2700054), (42, 2378619), (54, 1850037), (63, 1585746), (74, 1350027), (81, 1233358), (111, 900018), (126, 792873), (162, 616679), (189, 528582), (222, 450009), (259, 385722), (333, 300006), (378, 264291), (518, 192861), (567, 176194), (666, 150003), (777, 128574), (999, 100002), (1134, 88097), (1554, 64287), (1998, 50001), (2331, 42858), (2381, 41958), (2997, 33334), (4662, 21429), (4762, 20979), (5994, 16667), (6993, 14286), (7143, 13986)]