81541992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 167290008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 47, 56, 69, 84, 92, 94, 138, 141, 161, 168, 184, 188, 276, 282, 322, 329, 376, 449, 483, 552, 564, 644, 658, 898, 966, 987, 1081, 1128, 1288, 1316, 1347, 1796, 1932, 1974, 2162, 2632, 2694, 3143, 3243, 3592, 3864, 3948, 4324, 5388, 6286, 6486, 7567, 7896, 8648, 9429, 10327, 10776, 12572, 12972, 15134, 18858, 20654, 21103, 22701, 25144, 25944, 30268, 30981, 37716, 41308, 42206, 45402, 60536, 61962, 63309, 72289, 75432, 82616, 84412, 90804, 123924, 126618, 144578, 147721, 168824, 181608, 216867, 247848, 253236, 289156, 295442, 433734, 443163, 485369, 506472, 578312, 590884, 867468, 886326, 970738, 1181768, 1456107, 1734936, 1772652, 1941476, 2912214, 3397583, 3545304, 3882952, 5824428, 6795166, 10192749, 11648856, 13590332, 20385498, 27180664, 40770996, 81541992]

約数ペア:

[(1, 81541992), (2, 40770996), (3, 27180664), (4, 20385498), (6, 13590332), (7, 11648856), (8, 10192749), (12, 6795166), (14, 5824428), (21, 3882952), (23, 3545304), (24, 3397583), (28, 2912214), (42, 1941476), (46, 1772652), (47, 1734936), (56, 1456107), (69, 1181768), (84, 970738), (92, 886326), (94, 867468), (138, 590884), (141, 578312), (161, 506472), (168, 485369), (184, 443163), (188, 433734), (276, 295442), (282, 289156), (322, 253236), (329, 247848), (376, 216867), (449, 181608), (483, 168824), (552, 147721), (564, 144578), (644, 126618), (658, 123924), (898, 90804), (966, 84412), (987, 82616), (1081, 75432), (1128, 72289), (1288, 63309), (1316, 61962), (1347, 60536), (1796, 45402), (1932, 42206), (1974, 41308), (2162, 37716), (2632, 30981), (2694, 30268), (3143, 25944), (3243, 25144), (3592, 22701), (3864, 21103), (3948, 20654), (4324, 18858), (5388, 15134), (6286, 12972), (6486, 12572), (7567, 10776), (7896, 10327), (8648, 9429)]