81421368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2011}}^1$

素因数の和:2268

約数の個数: 64

約数和(自身を含む): 233713920

約数和(自身を除く): 152292552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 241, 482, 723, 964, 1446, 1687, 1928, 2011, 2892, 3374, 4022, 5061, 5784, 6033, 6748, 8044, 10122, 12066, 13496, 14077, 16088, 20244, 24132, 28154, 40488, 42231, 48264, 56308, 84462, 112616, 168924, 337848, 484651, 969302, 1453953, 1938604, 2907906, 3392557, 3877208, 5815812, 6785114, 10177671, 11631624, 13570228, 20355342, 27140456, 40710684, 81421368]

約数ペア:

[(1, 81421368), (2, 40710684), (3, 27140456), (4, 20355342), (6, 13570228), (7, 11631624), (8, 10177671), (12, 6785114), (14, 5815812), (21, 3877208), (24, 3392557), (28, 2907906), (42, 1938604), (56, 1453953), (84, 969302), (168, 484651), (241, 337848), (482, 168924), (723, 112616), (964, 84462), (1446, 56308), (1687, 48264), (1928, 42231), (2011, 40488), (2892, 28154), (3374, 24132), (4022, 20244), (5061, 16088), (5784, 14077), (6033, 13496), (6748, 12066), (8044, 10122)]