261593376

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 791949312

約数和(自身を除く): 530355936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 61, 62, 66, 88, 93, 96, 122, 124, 131, 132, 176, 183, 186, 244, 248, 262, 264, 341, 352, 366, 372, 393, 488, 496, 524, 528, 671, 682, 732, 744, 786, 976, 992, 1023, 1048, 1056, 1342, 1364, 1441, 1464, 1488, 1572, 1891, 1952, 2013, 2046, 2096, 2684, 2728, 2882, 2928, 2976, 3144, 3782, 4026, 4061, 4092, 4192, 4323, 5368, 5456, 5673, 5764, 5856, 6288, 7564, 7991, 8052, 8122, 8184, 8646, 10736, 10912, 11346, 11528, 12183, 12576, 15128, 15982, 16104, 16244, 16368, 17292, 20801, 21472, 22692, 23056, 23973, 24366, 30256, 31964, 32208, 32488, 32736, 34584, 41602, 44671, 45384, 46112, 47946, 48732, 60512, 62403, 63928, 64416, 64976, 69168, 83204, 87901, 89342, 90768, 95892, 97464, 124806, 127856, 129952, 134013, 138336, 166408, 175802, 178684, 181536, 191784, 194928, 247721, 249612, 255712, 263703, 268026, 332816, 351604, 357368, 383568, 389856, 495442, 499224, 527406, 536052, 665632, 703208, 714736, 743163, 767136, 990884, 998448, 1054812, 1072104, 1406416, 1429472, 1486326, 1981768, 1996896, 2109624, 2144208, 2724931, 2812832, 2972652, 3963536, 4219248, 4288416, 5449862, 5945304, 7927072, 8174793, 8438496, 10899724, 11890608, 16349586, 21799448, 23781216, 32699172, 43598896, 65398344, 87197792, 130796688, 261593376]

約数ペア:

[(1, 261593376), (2, 130796688), (3, 87197792), (4, 65398344), (6, 43598896), (8, 32699172), (11, 23781216), (12, 21799448), (16, 16349586), (22, 11890608), (24, 10899724), (31, 8438496), (32, 8174793), (33, 7927072), (44, 5945304), (48, 5449862), (61, 4288416), (62, 4219248), (66, 3963536), (88, 2972652), (93, 2812832), (96, 2724931), (122, 2144208), (124, 2109624), (131, 1996896), (132, 1981768), (176, 1486326), (183, 1429472), (186, 1406416), (244, 1072104), (248, 1054812), (262, 998448), (264, 990884), (341, 767136), (352, 743163), (366, 714736), (372, 703208), (393, 665632), (488, 536052), (496, 527406), (524, 499224), (528, 495442), (671, 389856), (682, 383568), (732, 357368), (744, 351604), (786, 332816), (976, 268026), (992, 263703), (1023, 255712), (1048, 249612), (1056, 247721), (1342, 194928), (1364, 191784), (1441, 181536), (1464, 178684), (1488, 175802), (1572, 166408), (1891, 138336), (1952, 134013), (2013, 129952), (2046, 127856), (2096, 124806), (2684, 97464), (2728, 95892), (2882, 90768), (2928, 89342), (2976, 87901), (3144, 83204), (3782, 69168), (4026, 64976), (4061, 64416), (4092, 63928), (4192, 62403), (4323, 60512), (5368, 48732), (5456, 47946), (5673, 46112), (5764, 45384), (5856, 44671), (6288, 41602), (7564, 34584), (7991, 32736), (8052, 32488), (8122, 32208), (8184, 31964), (8646, 30256), (10736, 24366), (10912, 23973), (11346, 23056), (11528, 22692), (12183, 21472), (12576, 20801), (15128, 17292), (15982, 16368), (16104, 16244)]