1277121664

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1438

約数の個数: 128

約数和(自身を含む): 3171530880

約数和(自身を除く): 1894409216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 83, 91, 104, 112, 128, 166, 182, 208, 224, 332, 364, 416, 448, 581, 664, 728, 832, 896, 1079, 1162, 1321, 1328, 1456, 1664, 2158, 2324, 2642, 2656, 2912, 4316, 4648, 5284, 5312, 5824, 7553, 8632, 9247, 9296, 10568, 10624, 11648, 15106, 17173, 17264, 18494, 18592, 21136, 30212, 34346, 34528, 36988, 37184, 42272, 60424, 68692, 69056, 73976, 74368, 84544, 109643, 120211, 120848, 137384, 138112, 147952, 169088, 219286, 240422, 241696, 274768, 295904, 438572, 480844, 483392, 549536, 591808, 767501, 877144, 961688, 966784, 1099072, 1183616, 1425359, 1535002, 1754288, 1923376, 2198144, 2850718, 3070004, 3508576, 3846752, 5701436, 6140008, 7017152, 7693504, 9977513, 11402872, 12280016, 14034304, 15387008, 19955026, 22805744, 24560032, 39910052, 45611488, 49120064, 79820104, 91222976, 98240128, 159640208, 182445952, 319280416, 638560832, 1277121664]

約数ペア:

[(1, 1277121664), (2, 638560832), (4, 319280416), (7, 182445952), (8, 159640208), (13, 98240128), (14, 91222976), (16, 79820104), (26, 49120064), (28, 45611488), (32, 39910052), (52, 24560032), (56, 22805744), (64, 19955026), (83, 15387008), (91, 14034304), (104, 12280016), (112, 11402872), (128, 9977513), (166, 7693504), (182, 7017152), (208, 6140008), (224, 5701436), (332, 3846752), (364, 3508576), (416, 3070004), (448, 2850718), (581, 2198144), (664, 1923376), (728, 1754288), (832, 1535002), (896, 1425359), (1079, 1183616), (1162, 1099072), (1321, 966784), (1328, 961688), (1456, 877144), (1664, 767501), (2158, 591808), (2324, 549536), (2642, 483392), (2656, 480844), (2912, 438572), (4316, 295904), (4648, 274768), (5284, 241696), (5312, 240422), (5824, 219286), (7553, 169088), (8632, 147952), (9247, 138112), (9296, 137384), (10568, 120848), (10624, 120211), (11648, 109643), (15106, 84544), (17173, 74368), (17264, 73976), (18494, 69056), (18592, 68692), (21136, 60424), (30212, 42272), (34346, 37184), (34528, 36988)]