491609084

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1039}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 929510400

約数和(自身を除く): 437901316

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 139, 148, 278, 556, 851, 1039, 1702, 2078, 3197, 3404, 4156, 5143, 6394, 10286, 12788, 20572, 23897, 38443, 47794, 76886, 95588, 118289, 144421, 153772, 236578, 288842, 473156, 577684, 884189, 1768378, 3321683, 3536756, 5343577, 6643366, 10687154, 13286732, 21374308, 122902271, 245804542, 491609084]

約数ペア:

[(1, 491609084), (2, 245804542), (4, 122902271), (23, 21374308), (37, 13286732), (46, 10687154), (74, 6643366), (92, 5343577), (139, 3536756), (148, 3321683), (278, 1768378), (556, 884189), (851, 577684), (1039, 473156), (1702, 288842), (2078, 236578), (3197, 153772), (3404, 144421), (4156, 118289), (5143, 95588), (6394, 76886), (10286, 47794), (12788, 38443), (20572, 23897)]