257154282

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 144

約数和(自身を含む): 711075456

約数和(自身を除く): 453921174

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 101, 121, 126, 154, 167, 198, 202, 231, 242, 303, 334, 363, 462, 501, 606, 693, 707, 726, 847, 909, 1002, 1089, 1111, 1169, 1386, 1414, 1503, 1694, 1818, 1837, 2121, 2178, 2222, 2338, 2541, 3006, 3333, 3507, 3674, 4242, 5082, 5511, 6363, 6666, 7014, 7623, 7777, 9999, 10521, 11022, 12221, 12726, 12859, 15246, 15554, 16533, 16867, 19998, 20207, 21042, 23331, 24442, 25718, 33066, 33734, 36663, 38577, 40414, 46662, 50601, 60621, 69993, 73326, 77154, 85547, 101202, 109989, 115731, 118069, 121242, 139986, 141449, 151803, 171094, 181863, 185537, 219978, 231462, 236138, 256641, 282898, 303606, 354207, 363726, 371074, 424347, 513282, 556611, 708414, 769923, 848694, 1062621, 1113222, 1273041, 1298759, 1539846, 1669833, 2040907, 2125242, 2546082, 2597518, 3339666, 3896277, 4081814, 6122721, 7792554, 11688831, 12245442, 14286349, 18368163, 23377662, 28572698, 36736326, 42859047, 85718094, 128577141, 257154282]

約数ペア:

[(1, 257154282), (2, 128577141), (3, 85718094), (6, 42859047), (7, 36736326), (9, 28572698), (11, 23377662), (14, 18368163), (18, 14286349), (21, 12245442), (22, 11688831), (33, 7792554), (42, 6122721), (63, 4081814), (66, 3896277), (77, 3339666), (99, 2597518), (101, 2546082), (121, 2125242), (126, 2040907), (154, 1669833), (167, 1539846), (198, 1298759), (202, 1273041), (231, 1113222), (242, 1062621), (303, 848694), (334, 769923), (363, 708414), (462, 556611), (501, 513282), (606, 424347), (693, 371074), (707, 363726), (726, 354207), (847, 303606), (909, 282898), (1002, 256641), (1089, 236138), (1111, 231462), (1169, 219978), (1386, 185537), (1414, 181863), (1503, 171094), (1694, 151803), (1818, 141449), (1837, 139986), (2121, 121242), (2178, 118069), (2222, 115731), (2338, 109989), (2541, 101202), (3006, 85547), (3333, 77154), (3507, 73326), (3674, 69993), (4242, 60621), (5082, 50601), (5511, 46662), (6363, 40414), (6666, 38577), (7014, 36663), (7623, 33734), (7777, 33066), (9999, 25718), (10521, 24442), (11022, 23331), (12221, 21042), (12726, 20207), (12859, 19998), (15246, 16867), (15554, 16533)]