28965006

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 80256000

約数和(自身を除く): 51290994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 37, 38, 42, 54, 57, 63, 74, 109, 111, 114, 126, 133, 171, 189, 218, 222, 259, 266, 327, 333, 342, 378, 399, 513, 518, 654, 666, 703, 763, 777, 798, 981, 999, 1026, 1197, 1406, 1526, 1554, 1962, 1998, 2071, 2109, 2289, 2331, 2394, 2943, 3591, 4033, 4142, 4218, 4578, 4662, 4921, 5886, 6213, 6327, 6867, 6993, 7182, 8066, 9842, 12099, 12426, 12654, 13734, 13986, 14497, 14763, 18639, 18981, 20601, 24198, 28231, 28994, 29526, 36297, 37278, 37962, 41202, 43491, 44289, 55917, 56462, 72594, 76627, 84693, 86982, 88578, 108891, 111834, 130473, 132867, 153254, 169386, 217782, 229881, 254079, 260946, 265734, 391419, 459762, 508158, 536389, 689643, 762237, 782838, 1072778, 1379286, 1524474, 1609167, 2068929, 3218334, 4137858, 4827501, 9655002, 14482503, 28965006]

約数ペア:

[(1, 28965006), (2, 14482503), (3, 9655002), (6, 4827501), (7, 4137858), (9, 3218334), (14, 2068929), (18, 1609167), (19, 1524474), (21, 1379286), (27, 1072778), (37, 782838), (38, 762237), (42, 689643), (54, 536389), (57, 508158), (63, 459762), (74, 391419), (109, 265734), (111, 260946), (114, 254079), (126, 229881), (133, 217782), (171, 169386), (189, 153254), (218, 132867), (222, 130473), (259, 111834), (266, 108891), (327, 88578), (333, 86982), (342, 84693), (378, 76627), (399, 72594), (513, 56462), (518, 55917), (654, 44289), (666, 43491), (703, 41202), (763, 37962), (777, 37278), (798, 36297), (981, 29526), (999, 28994), (1026, 28231), (1197, 24198), (1406, 20601), (1526, 18981), (1554, 18639), (1962, 14763), (1998, 14497), (2071, 13986), (2109, 13734), (2289, 12654), (2331, 12426), (2394, 12099), (2943, 9842), (3591, 8066), (4033, 7182), (4142, 6993), (4218, 6867), (4578, 6327), (4662, 6213), (4921, 5886)]