71320816

素因数分解:

$2^4\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1637}}^1$

素因数の和:2041

約数の個数: 40

約数和(自身を含む): 158427360

約数和(自身を除く): 87106544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 389, 778, 1556, 1637, 2723, 3112, 3274, 5446, 6224, 6548, 10892, 11459, 13096, 21784, 22918, 26192, 43568, 45836, 91672, 183344, 636793, 1273586, 2547172, 4457551, 5094344, 8915102, 10188688, 17830204, 35660408, 71320816]

約数ペア:

[(1, 71320816), (2, 35660408), (4, 17830204), (7, 10188688), (8, 8915102), (14, 5094344), (16, 4457551), (28, 2547172), (56, 1273586), (112, 636793), (389, 183344), (778, 91672), (1556, 45836), (1637, 43568), (2723, 26192), (3112, 22918), (3274, 21784), (5446, 13096), (6224, 11459), (6548, 10892)]