208508508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 605404800

約数和(自身を除く): 396896292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 131, 156, 171, 179, 228, 234, 247, 262, 342, 358, 393, 468, 494, 524, 537, 684, 716, 741, 786, 988, 1074, 1179, 1482, 1572, 1611, 1703, 2148, 2223, 2327, 2358, 2489, 2964, 3222, 3401, 3406, 4446, 4654, 4716, 4978, 5109, 6444, 6802, 6812, 6981, 7467, 8892, 9308, 9956, 10203, 10218, 13604, 13962, 14934, 15327, 20406, 20436, 20943, 22401, 23449, 27924, 29868, 30609, 30654, 32357, 40812, 41886, 44213, 44802, 46898, 61218, 61308, 64714, 70347, 83772, 88426, 89604, 93796, 97071, 122436, 129428, 132639, 140694, 176852, 194142, 211041, 265278, 281388, 291213, 304837, 388284, 397917, 422082, 445531, 530556, 582426, 609674, 795834, 844164, 891062, 914511, 1164852, 1219348, 1336593, 1591668, 1782124, 1829022, 2673186, 2743533, 3658044, 4009779, 5346372, 5487066, 5791903, 8019558, 10974132, 11583806, 16039116, 17375709, 23167612, 34751418, 52127127, 69502836, 104254254, 208508508]

約数ペア:

[(1, 208508508), (2, 104254254), (3, 69502836), (4, 52127127), (6, 34751418), (9, 23167612), (12, 17375709), (13, 16039116), (18, 11583806), (19, 10974132), (26, 8019558), (36, 5791903), (38, 5487066), (39, 5346372), (52, 4009779), (57, 3658044), (76, 2743533), (78, 2673186), (114, 1829022), (117, 1782124), (131, 1591668), (156, 1336593), (171, 1219348), (179, 1164852), (228, 914511), (234, 891062), (247, 844164), (262, 795834), (342, 609674), (358, 582426), (393, 530556), (468, 445531), (494, 422082), (524, 397917), (537, 388284), (684, 304837), (716, 291213), (741, 281388), (786, 265278), (988, 211041), (1074, 194142), (1179, 176852), (1482, 140694), (1572, 132639), (1611, 129428), (1703, 122436), (2148, 97071), (2223, 93796), (2327, 89604), (2358, 88426), (2489, 83772), (2964, 70347), (3222, 64714), (3401, 61308), (3406, 61218), (4446, 46898), (4654, 44802), (4716, 44213), (4978, 41886), (5109, 40812), (6444, 32357), (6802, 30654), (6812, 30609), (6981, 29868), (7467, 27924), (8892, 23449), (9308, 22401), (9956, 20943), (10203, 20436), (10218, 20406), (13604, 15327), (13962, 14934)]