257970244

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1283}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 531514368

約数和(自身を除く): 273544124

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 167, 172, 301, 334, 602, 668, 1169, 1204, 1283, 2338, 2566, 4676, 5132, 7181, 8981, 14362, 17962, 28724, 35924, 50267, 55169, 100534, 110338, 201068, 214261, 220676, 386183, 428522, 772366, 857044, 1499827, 1544732, 2999654, 5999308, 9213223, 18426446, 36852892, 64492561, 128985122, 257970244]

約数ペア:

[(1, 257970244), (2, 128985122), (4, 64492561), (7, 36852892), (14, 18426446), (28, 9213223), (43, 5999308), (86, 2999654), (167, 1544732), (172, 1499827), (301, 857044), (334, 772366), (602, 428522), (668, 386183), (1169, 220676), (1204, 214261), (1283, 201068), (2338, 110338), (2566, 100534), (4676, 55169), (5132, 50267), (7181, 35924), (8981, 28724), (14362, 17962)]