281823542

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 619315200

約数和(自身を除く): 337491658

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 31, 38, 62, 77, 91, 133, 143, 154, 182, 209, 217, 239, 247, 266, 286, 341, 403, 418, 434, 478, 494, 589, 682, 806, 1001, 1178, 1463, 1673, 1729, 2002, 2387, 2629, 2717, 2821, 2926, 3107, 3346, 3458, 4123, 4433, 4541, 4774, 5258, 5434, 5642, 6214, 6479, 7409, 7657, 8246, 8866, 9082, 12958, 14818, 15314, 18403, 19019, 21749, 31031, 31787, 34177, 36806, 38038, 43498, 45353, 49951, 51863, 53599, 59033, 62062, 63574, 68354, 81499, 84227, 90706, 96317, 99902, 103726, 107198, 118066, 140771, 162998, 168454, 192634, 239239, 281542, 349657, 413231, 478478, 570493, 589589, 649363, 674219, 699314, 826462, 985397, 1059487, 1140986, 1179178, 1298726, 1348438, 1548481, 1830023, 1970794, 2118974, 3096962, 3660046, 4545541, 7416409, 9091082, 10839367, 12810161, 14832818, 20130253, 21678734, 25620322, 40260506, 140911771, 281823542]

約数ペア:

[(1, 281823542), (2, 140911771), (7, 40260506), (11, 25620322), (13, 21678734), (14, 20130253), (19, 14832818), (22, 12810161), (26, 10839367), (31, 9091082), (38, 7416409), (62, 4545541), (77, 3660046), (91, 3096962), (133, 2118974), (143, 1970794), (154, 1830023), (182, 1548481), (209, 1348438), (217, 1298726), (239, 1179178), (247, 1140986), (266, 1059487), (286, 985397), (341, 826462), (403, 699314), (418, 674219), (434, 649363), (478, 589589), (494, 570493), (589, 478478), (682, 413231), (806, 349657), (1001, 281542), (1178, 239239), (1463, 192634), (1673, 168454), (1729, 162998), (2002, 140771), (2387, 118066), (2629, 107198), (2717, 103726), (2821, 99902), (2926, 96317), (3107, 90706), (3346, 84227), (3458, 81499), (4123, 68354), (4433, 63574), (4541, 62062), (4774, 59033), (5258, 53599), (5434, 51863), (5642, 49951), (6214, 45353), (6479, 43498), (7409, 38038), (7657, 36806), (8246, 34177), (8866, 31787), (9082, 31031), (12958, 21749), (14818, 19019), (15314, 18403)]