251045256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 256

約数和(自身を含む): 848517120

約数和(自身を除く): 597471864

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 61, 66, 68, 77, 84, 88, 102, 119, 122, 131, 132, 136, 154, 168, 183, 187, 204, 231, 238, 244, 262, 264, 308, 357, 366, 374, 393, 408, 427, 462, 476, 488, 524, 561, 616, 671, 714, 732, 748, 786, 854, 917, 924, 952, 1037, 1048, 1122, 1281, 1309, 1342, 1428, 1441, 1464, 1496, 1572, 1708, 1834, 1848, 2013, 2074, 2227, 2244, 2562, 2618, 2684, 2751, 2856, 2882, 3111, 3144, 3416, 3668, 3927, 4026, 4148, 4323, 4454, 4488, 4697, 5124, 5236, 5368, 5502, 5764, 6222, 6681, 7259, 7336, 7854, 7991, 8052, 8296, 8646, 8908, 9394, 10087, 10248, 10472, 11004, 11407, 11528, 12444, 13362, 14091, 14518, 15589, 15708, 15982, 16104, 17292, 17816, 18788, 20174, 21777, 22008, 22814, 23973, 24497, 24888, 26724, 28182, 29036, 30261, 31178, 31416, 31964, 34221, 34584, 37576, 40348, 43554, 45628, 46767, 47946, 48994, 53448, 55937, 56364, 58072, 60522, 62356, 63928, 68442, 73491, 79849, 80696, 87108, 87901, 91256, 93534, 95892, 97988, 111874, 112728, 121044, 124712, 135847, 136884, 146982, 159698, 167811, 171479, 174216, 175802, 187068, 191784, 195976, 223748, 239547, 242088, 263703, 271694, 273768, 293964, 319396, 335622, 342958, 351604, 374136, 407541, 447496, 479094, 514437, 527406, 543388, 587928, 615307, 638792, 671244, 685916, 703208, 815082, 950929, 958188, 1028874, 1054812, 1086776, 1230614, 1342488, 1371832, 1494317, 1630164, 1845921, 1901858, 1916376, 2057748, 2109624, 2461228, 2852787, 2988634, 3260328, 3691842, 3803716, 4115496, 4482951, 4922456, 5705574, 5977268, 7383684, 7607432, 8965902, 10460219, 11411148, 11954536, 14767368, 17931804, 20920438, 22822296, 31380657, 35863608, 41840876, 62761314, 83681752, 125522628, 251045256]

約数ペア:

[(1, 251045256), (2, 125522628), (3, 83681752), (4, 62761314), (6, 41840876), (7, 35863608), (8, 31380657), (11, 22822296), (12, 20920438), (14, 17931804), (17, 14767368), (21, 11954536), (22, 11411148), (24, 10460219), (28, 8965902), (33, 7607432), (34, 7383684), (42, 5977268), (44, 5705574), (51, 4922456), (56, 4482951), (61, 4115496), (66, 3803716), (68, 3691842), (77, 3260328), (84, 2988634), (88, 2852787), (102, 2461228), (119, 2109624), (122, 2057748), (131, 1916376), (132, 1901858), (136, 1845921), (154, 1630164), (168, 1494317), (183, 1371832), (187, 1342488), (204, 1230614), (231, 1086776), (238, 1054812), (244, 1028874), (262, 958188), (264, 950929), (308, 815082), (357, 703208), (366, 685916), (374, 671244), (393, 638792), (408, 615307), (427, 587928), (462, 543388), (476, 527406), (488, 514437), (524, 479094), (561, 447496), (616, 407541), (671, 374136), (714, 351604), (732, 342958), (748, 335622), (786, 319396), (854, 293964), (917, 273768), (924, 271694), (952, 263703), (1037, 242088), (1048, 239547), (1122, 223748), (1281, 195976), (1309, 191784), (1342, 187068), (1428, 175802), (1441, 174216), (1464, 171479), (1496, 167811), (1572, 159698), (1708, 146982), (1834, 136884), (1848, 135847), (2013, 124712), (2074, 121044), (2227, 112728), (2244, 111874), (2562, 97988), (2618, 95892), (2684, 93534), (2751, 91256), (2856, 87901), (2882, 87108), (3111, 80696), (3144, 79849), (3416, 73491), (3668, 68442), (3927, 63928), (4026, 62356), (4148, 60522), (4323, 58072), (4454, 56364), (4488, 55937), (4697, 53448), (5124, 48994), (5236, 47946), (5368, 46767), (5502, 45628), (5764, 43554), (6222, 40348), (6681, 37576), (7259, 34584), (7336, 34221), (7854, 31964), (7991, 31416), (8052, 31178), (8296, 30261), (8646, 29036), (8908, 28182), (9394, 26724), (10087, 24888), (10248, 24497), (10472, 23973), (11004, 22814), (11407, 22008), (11528, 21777), (12444, 20174), (13362, 18788), (14091, 17816), (14518, 17292), (15589, 16104), (15708, 15982)]