71561968

素因数分解:

$2^4\times {\mathrm{1627}}^1\times {\mathrm{2749}}^1$

素因数の和:4384

約数の個数: 20

約数和(自身を含む): 138787000

約数和(自身を除く): 67225032

約数列:

[1, 2, 4, 8, 16, 1627, 2749, 3254, 5498, 6508, 10996, 13016, 21992, 26032, 43984, 4472623, 8945246, 17890492, 35780984, 71561968]

約数ペア:

[(1, 71561968), (2, 35780984), (4, 17890492), (8, 8945246), (16, 4472623), (1627, 43984), (2749, 26032), (3254, 21992), (5498, 13016), (6508, 10996)]