31997084

素因数分解:

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

素因数の和:426

約数の個数: 48

約数和(自身を含む): 66748416

約数和(自身を除く): 34751332

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 191, 193, 217, 382, 386, 434, 764, 772, 868, 1337, 1351, 2674, 2702, 5348, 5404, 5921, 5983, 11842, 11966, 23684, 23932, 36863, 41447, 41881, 73726, 82894, 83762, 147452, 165788, 167524, 258041, 516082, 1032164, 1142753, 2285506, 4571012, 7999271, 15998542, 31997084]

約数ペア:

[(1, 31997084), (2, 15998542), (4, 7999271), (7, 4571012), (14, 2285506), (28, 1142753), (31, 1032164), (62, 516082), (124, 258041), (191, 167524), (193, 165788), (217, 147452), (382, 83762), (386, 82894), (434, 73726), (764, 41881), (772, 41447), (868, 36863), (1337, 23932), (1351, 23684), (2674, 11966), (2702, 11842), (5348, 5983), (5404, 5921)]