257149844

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 568512000

約数和(自身を除く): 311362156

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 49, 58, 92, 98, 116, 161, 196, 203, 281, 322, 343, 406, 562, 644, 667, 686, 812, 1124, 1127, 1334, 1372, 1421, 1967, 2254, 2668, 2842, 3934, 4508, 4669, 5684, 6463, 7868, 7889, 8149, 9338, 9947, 12926, 13769, 15778, 16298, 18676, 19894, 25852, 27538, 31556, 32596, 32683, 39788, 45241, 55076, 57043, 65366, 90482, 96383, 114086, 130732, 180964, 187427, 192766, 228172, 228781, 316687, 374854, 385532, 399301, 457562, 633374, 749708, 798602, 915124, 1266748, 1311989, 1597204, 2216809, 2623978, 2795107, 4433618, 5247956, 5590214, 8867236, 9183923, 11180428, 18367846, 36735692, 64287461, 128574922, 257149844]

約数ペア:

[(1, 257149844), (2, 128574922), (4, 64287461), (7, 36735692), (14, 18367846), (23, 11180428), (28, 9183923), (29, 8867236), (46, 5590214), (49, 5247956), (58, 4433618), (92, 2795107), (98, 2623978), (116, 2216809), (161, 1597204), (196, 1311989), (203, 1266748), (281, 915124), (322, 798602), (343, 749708), (406, 633374), (562, 457562), (644, 399301), (667, 385532), (686, 374854), (812, 316687), (1124, 228781), (1127, 228172), (1334, 192766), (1372, 187427), (1421, 180964), (1967, 130732), (2254, 114086), (2668, 96383), (2842, 90482), (3934, 65366), (4508, 57043), (4669, 55076), (5684, 45241), (6463, 39788), (7868, 32683), (7889, 32596), (8149, 31556), (9338, 27538), (9947, 25852), (12926, 19894), (13769, 18676), (15778, 16298)]