2806520004

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{123941}}^1$

素因数の和:124005

約数の個数: 72

約数和(自身を含む): 7714645848

約数和(自身を除く): 4908125844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 1258, 1332, 1887, 2516, 3774, 5661, 7548, 11322, 22644, 123941, 247882, 371823, 495764, 743646, 1115469, 1487292, 2106997, 2230938, 4213994, 4461876, 4585817, 6320991, 8427988, 9171634, 12641982, 13757451, 18343268, 18962973, 25283964, 27514902, 37925946, 41272353, 55029804, 75851892, 77958889, 82544706, 155917778, 165089412, 233876667, 311835556, 467753334, 701630001, 935506668, 1403260002, 2806520004]

約数ペア:

[(1, 2806520004), (2, 1403260002), (3, 935506668), (4, 701630001), (6, 467753334), (9, 311835556), (12, 233876667), (17, 165089412), (18, 155917778), (34, 82544706), (36, 77958889), (37, 75851892), (51, 55029804), (68, 41272353), (74, 37925946), (102, 27514902), (111, 25283964), (148, 18962973), (153, 18343268), (204, 13757451), (222, 12641982), (306, 9171634), (333, 8427988), (444, 6320991), (612, 4585817), (629, 4461876), (666, 4213994), (1258, 2230938), (1332, 2106997), (1887, 1487292), (2516, 1115469), (3774, 743646), (5661, 495764), (7548, 371823), (11322, 247882), (22644, 123941)]