245397904

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{7589}}^1$

素因数の和:7687

約数の個数: 40

約数和(自身を含む): 496932480

約数和(自身を除く): 251534576

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4042, 7589, 8084, 15178, 16168, 30356, 32336, 60712, 121424, 326327, 356683, 652654, 713366, 1305308, 1426732, 2610616, 2853464, 5221232, 5706928, 15337369, 30674738, 61349476, 122698952, 245397904]

約数ペア:

[(1, 245397904), (2, 122698952), (4, 61349476), (8, 30674738), (16, 15337369), (43, 5706928), (47, 5221232), (86, 2853464), (94, 2610616), (172, 1426732), (188, 1305308), (344, 713366), (376, 652654), (688, 356683), (752, 326327), (2021, 121424), (4042, 60712), (7589, 32336), (8084, 30356), (15178, 16168)]