856904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 1710720

約数和(自身を除く): 853816

約数列:

[1, 2, 4, 8, 43, 47, 53, 86, 94, 106, 172, 188, 212, 344, 376, 424, 2021, 2279, 2491, 4042, 4558, 4982, 8084, 9116, 9964, 16168, 18232, 19928, 107113, 214226, 428452, 856904]

約数ペア:

[(1, 856904), (2, 428452), (4, 214226), (8, 107113), (43, 19928), (47, 18232), (53, 16168), (86, 9964), (94, 9116), (106, 8084), (172, 4982), (188, 4558), (212, 4042), (344, 2491), (376, 2279), (424, 2021)]