210678328

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{87491}}^1$

素因数の和:87547

約数の個数: 32

約数和(自身を含む): 461957760

約数和(自身を除く): 251279432

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 87491, 174982, 349964, 612437, 699928, 1224874, 2449748, 3762113, 4899496, 7524226, 15048452, 26334791, 30096904, 52669582, 105339164, 210678328]

約数ペア:

[(1, 210678328), (2, 105339164), (4, 52669582), (7, 30096904), (8, 26334791), (14, 15048452), (28, 7524226), (43, 4899496), (56, 3762113), (86, 2449748), (172, 1224874), (301, 699928), (344, 612437), (602, 349964), (1204, 174982), (2408, 87491)]