207519208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 436101120

約数和(自身を除く): 228581912

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 191, 248, 337, 382, 403, 674, 764, 806, 1348, 1528, 1612, 2483, 2696, 3224, 4381, 4966, 5921, 8762, 9932, 10447, 11842, 17524, 19864, 20894, 23684, 35048, 41788, 47368, 64367, 76973, 83576, 128734, 135811, 153946, 257468, 271622, 307892, 514936, 543244, 615784, 836771, 1086488, 1673542, 1995377, 3347084, 3990754, 6694168, 7981508, 15963016, 25939901, 51879802, 103759604, 207519208]

約数ペア:

[(1, 207519208), (2, 103759604), (4, 51879802), (8, 25939901), (13, 15963016), (26, 7981508), (31, 6694168), (52, 3990754), (62, 3347084), (104, 1995377), (124, 1673542), (191, 1086488), (248, 836771), (337, 615784), (382, 543244), (403, 514936), (674, 307892), (764, 271622), (806, 257468), (1348, 153946), (1528, 135811), (1612, 128734), (2483, 83576), (2696, 76973), (3224, 64367), (4381, 47368), (4966, 41788), (5921, 35048), (8762, 23684), (9932, 20894), (10447, 19864), (11842, 17524)]