28289938768

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{318523}}^1$

素因数の和:318612

約数の個数: 80

約数和(自身を含む): 68566750336

約数和(自身を除く): 40276811568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1586, 1708, 3172, 3416, 5551, 6344, 6832, 11102, 12688, 22204, 44408, 88816, 318523, 637046, 1274092, 2229661, 2548184, 4140799, 4459322, 5096368, 8281598, 8918644, 16563196, 17837288, 19429903, 28985593, 33126392, 35674576, 38859806, 57971186, 66252784, 77719612, 115942372, 136009321, 155439224, 231884744, 252588739, 272018642, 310878448, 463769488, 505177478, 544037284, 1010354956, 1088074568, 1768121173, 2020709912, 2176149136, 3536242346, 4041419824, 7072484692, 14144969384, 28289938768]

約数ペア:

[(1, 28289938768), (2, 14144969384), (4, 7072484692), (7, 4041419824), (8, 3536242346), (13, 2176149136), (14, 2020709912), (16, 1768121173), (26, 1088074568), (28, 1010354956), (52, 544037284), (56, 505177478), (61, 463769488), (91, 310878448), (104, 272018642), (112, 252588739), (122, 231884744), (182, 155439224), (208, 136009321), (244, 115942372), (364, 77719612), (427, 66252784), (488, 57971186), (728, 38859806), (793, 35674576), (854, 33126392), (976, 28985593), (1456, 19429903), (1586, 17837288), (1708, 16563196), (3172, 8918644), (3416, 8281598), (5551, 5096368), (6344, 4459322), (6832, 4140799), (11102, 2548184), (12688, 2229661), (22204, 1274092), (44408, 637046), (88816, 318523)]