81919992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 258531840

約数和(自身を除く): 176611848

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 97, 132, 154, 168, 194, 231, 264, 291, 308, 388, 457, 462, 582, 616, 679, 776, 914, 924, 1067, 1164, 1358, 1371, 1828, 1848, 2037, 2134, 2328, 2716, 2742, 3199, 3201, 3656, 4074, 4268, 5027, 5432, 5484, 6398, 6402, 7469, 8148, 8536, 9597, 10054, 10968, 12796, 12804, 14938, 15081, 16296, 19194, 20108, 22407, 25592, 25608, 29876, 30162, 35189, 38388, 40216, 44329, 44814, 59752, 60324, 70378, 76776, 88658, 89628, 105567, 120648, 132987, 140756, 177316, 179256, 211134, 265974, 281512, 310303, 354632, 422268, 487619, 531948, 620606, 844536, 930909, 975238, 1063896, 1241212, 1462857, 1861818, 1950476, 2482424, 2925714, 3413333, 3723636, 3900952, 5851428, 6826666, 7447272, 10239999, 11702856, 13653332, 20479998, 27306664, 40959996, 81919992]

約数ペア:

[(1, 81919992), (2, 40959996), (3, 27306664), (4, 20479998), (6, 13653332), (7, 11702856), (8, 10239999), (11, 7447272), (12, 6826666), (14, 5851428), (21, 3900952), (22, 3723636), (24, 3413333), (28, 2925714), (33, 2482424), (42, 1950476), (44, 1861818), (56, 1462857), (66, 1241212), (77, 1063896), (84, 975238), (88, 930909), (97, 844536), (132, 620606), (154, 531948), (168, 487619), (194, 422268), (231, 354632), (264, 310303), (291, 281512), (308, 265974), (388, 211134), (457, 179256), (462, 177316), (582, 140756), (616, 132987), (679, 120648), (776, 105567), (914, 89628), (924, 88658), (1067, 76776), (1164, 70378), (1358, 60324), (1371, 59752), (1828, 44814), (1848, 44329), (2037, 40216), (2134, 38388), (2328, 35189), (2716, 30162), (2742, 29876), (3199, 25608), (3201, 25592), (3656, 22407), (4074, 20108), (4268, 19194), (5027, 16296), (5432, 15081), (5484, 14938), (6398, 12804), (6402, 12796), (7469, 10968), (8148, 10054), (8536, 9597)]