1388728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 2914560

約数和(自身を除く): 1525832

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 367, 473, 734, 946, 1468, 1892, 2936, 3784, 4037, 8074, 15781, 16148, 31562, 32296, 63124, 126248, 173591, 347182, 694364, 1388728]

約数ペア:

[(1, 1388728), (2, 694364), (4, 347182), (8, 173591), (11, 126248), (22, 63124), (43, 32296), (44, 31562), (86, 16148), (88, 15781), (172, 8074), (344, 4037), (367, 3784), (473, 2936), (734, 1892), (946, 1468)]