81693976

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 192

約数和(自身を含む): 217183680

約数和(自身を除く): 135489704

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 23, 26, 28, 34, 41, 46, 49, 52, 56, 68, 82, 91, 92, 98, 104, 119, 136, 161, 164, 182, 184, 196, 221, 238, 287, 299, 322, 328, 364, 391, 392, 442, 476, 533, 574, 598, 637, 644, 697, 728, 782, 833, 884, 943, 952, 1066, 1127, 1148, 1196, 1274, 1288, 1394, 1547, 1564, 1666, 1768, 1886, 2009, 2093, 2132, 2254, 2296, 2392, 2548, 2737, 2788, 3094, 3128, 3332, 3731, 3772, 4018, 4186, 4264, 4508, 4879, 5083, 5096, 5474, 5576, 6188, 6601, 6664, 7462, 7544, 8036, 8372, 9016, 9061, 9758, 10166, 10829, 10948, 12259, 12376, 13202, 14651, 14924, 16031, 16072, 16744, 18122, 19159, 19516, 20332, 21658, 21896, 24518, 26117, 26404, 29302, 29848, 32062, 34153, 35581, 36244, 38318, 39032, 40664, 43316, 46207, 49036, 52234, 52808, 58604, 63427, 64124, 68306, 71162, 72488, 76636, 85813, 86632, 92414, 98072, 104468, 112217, 117208, 126854, 128248, 136612, 142324, 153272, 171626, 184828, 208403, 208936, 224434, 249067, 253708, 273224, 284648, 343252, 369656, 416806, 443989, 448868, 498134, 507416, 600691, 686504, 785519, 833612, 887978, 897736, 996268, 1201382, 1458821, 1571038, 1667224, 1775956, 1992536, 2402764, 2917642, 3142076, 3551912, 4805528, 5835284, 6284152, 10211747, 11670568, 20423494, 40846988, 81693976]

約数ペア:

[(1, 81693976), (2, 40846988), (4, 20423494), (7, 11670568), (8, 10211747), (13, 6284152), (14, 5835284), (17, 4805528), (23, 3551912), (26, 3142076), (28, 2917642), (34, 2402764), (41, 1992536), (46, 1775956), (49, 1667224), (52, 1571038), (56, 1458821), (68, 1201382), (82, 996268), (91, 897736), (92, 887978), (98, 833612), (104, 785519), (119, 686504), (136, 600691), (161, 507416), (164, 498134), (182, 448868), (184, 443989), (196, 416806), (221, 369656), (238, 343252), (287, 284648), (299, 273224), (322, 253708), (328, 249067), (364, 224434), (391, 208936), (392, 208403), (442, 184828), (476, 171626), (533, 153272), (574, 142324), (598, 136612), (637, 128248), (644, 126854), (697, 117208), (728, 112217), (782, 104468), (833, 98072), (884, 92414), (943, 86632), (952, 85813), (1066, 76636), (1127, 72488), (1148, 71162), (1196, 68306), (1274, 64124), (1288, 63427), (1394, 58604), (1547, 52808), (1564, 52234), (1666, 49036), (1768, 46207), (1886, 43316), (2009, 40664), (2093, 39032), (2132, 38318), (2254, 36244), (2296, 35581), (2392, 34153), (2548, 32062), (2737, 29848), (2788, 29302), (3094, 26404), (3128, 26117), (3332, 24518), (3731, 21896), (3772, 21658), (4018, 20332), (4186, 19516), (4264, 19159), (4508, 18122), (4879, 16744), (5083, 16072), (5096, 16031), (5474, 14924), (5576, 14651), (6188, 13202), (6601, 12376), (6664, 12259), (7462, 10948), (7544, 10829), (8036, 10166), (8372, 9758), (9016, 9061)]