1999215681678

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89067793}}^1$

素因数の和:89067873

約数の個数: 48

約数和(自身を含む): 4585210035120

約数和(自身を除く): 2585994353442

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 1247, 2494, 3741, 7482, 11223, 22446, 89067793, 178135586, 267203379, 534406758, 801610137, 1603220274, 2582965997, 3829915099, 5165931994, 7659830198, 7748897991, 11489745297, 15497795982, 22979490594, 23246693973, 34469235891, 46493387946, 68938471782, 111067537871, 222135075742, 333202613613, 666405227226, 999607840839, 1999215681678]

約数ペア:

[(1, 1999215681678), (2, 999607840839), (3, 666405227226), (6, 333202613613), (9, 222135075742), (18, 111067537871), (29, 68938471782), (43, 46493387946), (58, 34469235891), (86, 23246693973), (87, 22979490594), (129, 15497795982), (174, 11489745297), (258, 7748897991), (261, 7659830198), (387, 5165931994), (522, 3829915099), (774, 2582965997), (1247, 1603220274), (2494, 801610137), (3741, 534406758), (7482, 267203379), (11223, 178135586), (22446, 89067793)]