251431446

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 650467584

約数和(自身を除く): 399036138

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 98, 103, 114, 133, 138, 147, 161, 206, 266, 294, 309, 322, 361, 399, 437, 483, 618, 721, 722, 798, 874, 931, 966, 1083, 1127, 1311, 1442, 1862, 1957, 2163, 2166, 2254, 2369, 2527, 2622, 2793, 3059, 3381, 3914, 4326, 4738, 5047, 5054, 5586, 5871, 6118, 6762, 7107, 7581, 8303, 9177, 10094, 11742, 13699, 14214, 15141, 15162, 16583, 16606, 17689, 18354, 21413, 24909, 27398, 30282, 33166, 35378, 37183, 41097, 42826, 45011, 49749, 49818, 53067, 58121, 64239, 74366, 82194, 90022, 95893, 99498, 106134, 111549, 116081, 116242, 128478, 135033, 174363, 191786, 223098, 232162, 260281, 270066, 287679, 315077, 348243, 348726, 406847, 520562, 575358, 630154, 696486, 780843, 813694, 855209, 945231, 1220541, 1561686, 1710418, 1821967, 1890462, 2205539, 2441082, 2565627, 3643934, 4411078, 5131254, 5465901, 5986463, 6616617, 10931802, 11972926, 13233234, 17959389, 35918778, 41905241, 83810482, 125715723, 251431446]

約数ペア:

[(1, 251431446), (2, 125715723), (3, 83810482), (6, 41905241), (7, 35918778), (14, 17959389), (19, 13233234), (21, 11972926), (23, 10931802), (38, 6616617), (42, 5986463), (46, 5465901), (49, 5131254), (57, 4411078), (69, 3643934), (98, 2565627), (103, 2441082), (114, 2205539), (133, 1890462), (138, 1821967), (147, 1710418), (161, 1561686), (206, 1220541), (266, 945231), (294, 855209), (309, 813694), (322, 780843), (361, 696486), (399, 630154), (437, 575358), (483, 520562), (618, 406847), (721, 348726), (722, 348243), (798, 315077), (874, 287679), (931, 270066), (966, 260281), (1083, 232162), (1127, 223098), (1311, 191786), (1442, 174363), (1862, 135033), (1957, 128478), (2163, 116242), (2166, 116081), (2254, 111549), (2369, 106134), (2527, 99498), (2622, 95893), (2793, 90022), (3059, 82194), (3381, 74366), (3914, 64239), (4326, 58121), (4738, 53067), (5047, 49818), (5054, 49749), (5586, 45011), (5871, 42826), (6118, 41097), (6762, 37183), (7107, 35378), (7581, 33166), (8303, 30282), (9177, 27398), (10094, 24909), (11742, 21413), (13699, 18354), (14214, 17689), (15141, 16606), (15162, 16583)]