127988336

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:430

約数の個数: 80

約数和(自身を含む): 295600128

約数和(自身を除く): 167611792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 191, 193, 217, 248, 382, 386, 434, 496, 764, 772, 868, 1337, 1351, 1528, 1544, 1736, 2674, 2702, 3056, 3088, 3472, 5348, 5404, 5921, 5983, 10696, 10808, 11842, 11966, 21392, 21616, 23684, 23932, 36863, 41447, 41881, 47368, 47864, 73726, 82894, 83762, 94736, 95728, 147452, 165788, 167524, 258041, 294904, 331576, 335048, 516082, 589808, 663152, 670096, 1032164, 1142753, 2064328, 2285506, 4128656, 4571012, 7999271, 9142024, 15998542, 18284048, 31997084, 63994168, 127988336]

約数ペア:

[(1, 127988336), (2, 63994168), (4, 31997084), (7, 18284048), (8, 15998542), (14, 9142024), (16, 7999271), (28, 4571012), (31, 4128656), (56, 2285506), (62, 2064328), (112, 1142753), (124, 1032164), (191, 670096), (193, 663152), (217, 589808), (248, 516082), (382, 335048), (386, 331576), (434, 294904), (496, 258041), (764, 167524), (772, 165788), (868, 147452), (1337, 95728), (1351, 94736), (1528, 83762), (1544, 82894), (1736, 73726), (2674, 47864), (2702, 47368), (3056, 41881), (3088, 41447), (3472, 36863), (5348, 23932), (5404, 23684), (5921, 21616), (5983, 21392), (10696, 11966), (10808, 11842)]