1997688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 6635520

約数和(自身を除く): 4637832

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 47, 56, 66, 69, 77, 84, 88, 92, 94, 132, 138, 141, 154, 161, 168, 184, 188, 231, 253, 264, 276, 282, 308, 322, 329, 376, 462, 483, 506, 517, 552, 564, 616, 644, 658, 759, 924, 966, 987, 1012, 1034, 1081, 1128, 1288, 1316, 1518, 1551, 1771, 1848, 1932, 1974, 2024, 2068, 2162, 2632, 3036, 3102, 3243, 3542, 3619, 3864, 3948, 4136, 4324, 5313, 6072, 6204, 6486, 7084, 7238, 7567, 7896, 8648, 10626, 10857, 11891, 12408, 12972, 14168, 14476, 15134, 21252, 21714, 22701, 23782, 25944, 28952, 30268, 35673, 42504, 43428, 45402, 47564, 60536, 71346, 83237, 86856, 90804, 95128, 142692, 166474, 181608, 249711, 285384, 332948, 499422, 665896, 998844, 1997688]

約数ペア:

[(1, 1997688), (2, 998844), (3, 665896), (4, 499422), (6, 332948), (7, 285384), (8, 249711), (11, 181608), (12, 166474), (14, 142692), (21, 95128), (22, 90804), (23, 86856), (24, 83237), (28, 71346), (33, 60536), (42, 47564), (44, 45402), (46, 43428), (47, 42504), (56, 35673), (66, 30268), (69, 28952), (77, 25944), (84, 23782), (88, 22701), (92, 21714), (94, 21252), (132, 15134), (138, 14476), (141, 14168), (154, 12972), (161, 12408), (168, 11891), (184, 10857), (188, 10626), (231, 8648), (253, 7896), (264, 7567), (276, 7238), (282, 7084), (308, 6486), (322, 6204), (329, 6072), (376, 5313), (462, 4324), (483, 4136), (506, 3948), (517, 3864), (552, 3619), (564, 3542), (616, 3243), (644, 3102), (658, 3036), (759, 2632), (924, 2162), (966, 2068), (987, 2024), (1012, 1974), (1034, 1932), (1081, 1848), (1128, 1771), (1288, 1551), (1316, 1518)]