51213456

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^2$

素因数の和:138

約数の個数: 180

約数和(自身を含む): 174637632

約数和(自身を除く): 123424176

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 36, 42, 46, 47, 48, 56, 63, 69, 72, 84, 92, 94, 112, 126, 138, 141, 144, 161, 168, 184, 188, 207, 252, 276, 282, 322, 329, 336, 368, 376, 414, 423, 483, 504, 552, 564, 644, 658, 752, 828, 846, 966, 987, 1008, 1081, 1104, 1128, 1288, 1316, 1449, 1656, 1692, 1932, 1974, 2162, 2209, 2256, 2576, 2632, 2898, 2961, 3243, 3312, 3384, 3864, 3948, 4324, 4418, 5264, 5796, 5922, 6486, 6627, 6768, 7567, 7728, 7896, 8648, 8836, 9729, 11592, 11844, 12972, 13254, 15134, 15463, 15792, 17296, 17672, 19458, 19881, 22701, 23184, 23688, 25944, 26508, 30268, 30926, 35344, 38916, 39762, 45402, 46389, 47376, 50807, 51888, 53016, 60536, 61852, 68103, 77832, 79524, 90804, 92778, 101614, 106032, 121072, 123704, 136206, 139167, 152421, 155664, 159048, 181608, 185556, 203228, 247408, 272412, 278334, 304842, 318096, 355649, 363216, 371112, 406456, 457263, 544824, 556668, 609684, 711298, 742224, 812912, 914526, 1066947, 1089648, 1113336, 1219368, 1422596, 1829052, 2133894, 2226672, 2438736, 2845192, 3200841, 3658104, 4267788, 5690384, 6401682, 7316208, 8535576, 12803364, 17071152, 25606728, 51213456]

約数ペア:

[(1, 51213456), (2, 25606728), (3, 17071152), (4, 12803364), (6, 8535576), (7, 7316208), (8, 6401682), (9, 5690384), (12, 4267788), (14, 3658104), (16, 3200841), (18, 2845192), (21, 2438736), (23, 2226672), (24, 2133894), (28, 1829052), (36, 1422596), (42, 1219368), (46, 1113336), (47, 1089648), (48, 1066947), (56, 914526), (63, 812912), (69, 742224), (72, 711298), (84, 609684), (92, 556668), (94, 544824), (112, 457263), (126, 406456), (138, 371112), (141, 363216), (144, 355649), (161, 318096), (168, 304842), (184, 278334), (188, 272412), (207, 247408), (252, 203228), (276, 185556), (282, 181608), (322, 159048), (329, 155664), (336, 152421), (368, 139167), (376, 136206), (414, 123704), (423, 121072), (483, 106032), (504, 101614), (552, 92778), (564, 90804), (644, 79524), (658, 77832), (752, 68103), (828, 61852), (846, 60536), (966, 53016), (987, 51888), (1008, 50807), (1081, 47376), (1104, 46389), (1128, 45402), (1288, 39762), (1316, 38916), (1449, 35344), (1656, 30926), (1692, 30268), (1932, 26508), (1974, 25944), (2162, 23688), (2209, 23184), (2256, 22701), (2576, 19881), (2632, 19458), (2898, 17672), (2961, 17296), (3243, 15792), (3312, 15463), (3384, 15134), (3864, 13254), (3948, 12972), (4324, 11844), (4418, 11592), (5264, 9729), (5796, 8836), (5922, 8648), (6486, 7896), (6627, 7728), (6768, 7567)]