251528508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 816807264

約数和(自身を除く): 565278756

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 73, 77, 84, 99, 113, 121, 126, 132, 146, 154, 198, 219, 226, 231, 242, 252, 292, 308, 339, 363, 396, 438, 452, 462, 484, 511, 657, 678, 693, 726, 791, 803, 847, 876, 924, 1017, 1022, 1089, 1243, 1314, 1356, 1386, 1452, 1533, 1582, 1606, 1694, 2034, 2044, 2178, 2373, 2409, 2486, 2541, 2628, 2772, 3066, 3164, 3212, 3388, 3729, 4068, 4356, 4599, 4746, 4818, 4972, 5082, 5621, 6132, 7119, 7227, 7458, 7623, 8249, 8701, 8833, 9198, 9492, 9636, 10164, 11187, 11242, 13673, 14238, 14454, 14916, 15246, 16498, 16863, 17402, 17666, 18396, 22374, 22484, 24747, 26103, 26499, 27346, 28476, 28908, 30492, 32996, 33726, 34804, 35332, 41019, 44748, 49494, 50589, 52206, 52998, 54692, 57743, 61831, 67452, 74241, 78309, 79497, 82038, 90739, 95711, 98988, 101178, 104412, 105996, 115486, 123057, 123662, 148482, 156618, 158994, 164076, 173229, 181478, 185493, 191422, 202356, 230972, 246114, 247324, 272217, 287133, 296964, 313236, 317988, 346458, 362956, 370986, 382844, 492228, 519687, 544434, 556479, 574266, 635173, 692916, 741972, 816651, 861399, 998129, 1039374, 1088868, 1112958, 1148532, 1270346, 1633302, 1722798, 1905519, 1996258, 2078748, 2225916, 2540692, 2994387, 3266604, 3445596, 3811038, 3992516, 5716557, 5988774, 6986903, 7622076, 8983161, 11433114, 11977548, 13973806, 17966322, 20960709, 22866228, 27947612, 35932644, 41921418, 62882127, 83842836, 125764254, 251528508]

約数ペア:

[(1, 251528508), (2, 125764254), (3, 83842836), (4, 62882127), (6, 41921418), (7, 35932644), (9, 27947612), (11, 22866228), (12, 20960709), (14, 17966322), (18, 13973806), (21, 11977548), (22, 11433114), (28, 8983161), (33, 7622076), (36, 6986903), (42, 5988774), (44, 5716557), (63, 3992516), (66, 3811038), (73, 3445596), (77, 3266604), (84, 2994387), (99, 2540692), (113, 2225916), (121, 2078748), (126, 1996258), (132, 1905519), (146, 1722798), (154, 1633302), (198, 1270346), (219, 1148532), (226, 1112958), (231, 1088868), (242, 1039374), (252, 998129), (292, 861399), (308, 816651), (339, 741972), (363, 692916), (396, 635173), (438, 574266), (452, 556479), (462, 544434), (484, 519687), (511, 492228), (657, 382844), (678, 370986), (693, 362956), (726, 346458), (791, 317988), (803, 313236), (847, 296964), (876, 287133), (924, 272217), (1017, 247324), (1022, 246114), (1089, 230972), (1243, 202356), (1314, 191422), (1356, 185493), (1386, 181478), (1452, 173229), (1533, 164076), (1582, 158994), (1606, 156618), (1694, 148482), (2034, 123662), (2044, 123057), (2178, 115486), (2373, 105996), (2409, 104412), (2486, 101178), (2541, 98988), (2628, 95711), (2772, 90739), (3066, 82038), (3164, 79497), (3212, 78309), (3388, 74241), (3729, 67452), (4068, 61831), (4356, 57743), (4599, 54692), (4746, 52998), (4818, 52206), (4972, 50589), (5082, 49494), (5621, 44748), (6132, 41019), (7119, 35332), (7227, 34804), (7458, 33726), (7623, 32996), (8249, 30492), (8701, 28908), (8833, 28476), (9198, 27346), (9492, 26499), (9636, 26103), (10164, 24747), (11187, 22484), (11242, 22374), (13673, 18396), (14238, 17666), (14454, 17402), (14916, 16863), (15246, 16498)]