397554848

素因数分解:

$2^5\times {\mathrm{2161}}^1\times {\mathrm{5749}}^1$

素因数の和:7920

約数の個数: 24

約数和(自身を含む): 783184500

約数和(自身を除く): 385629652

約数列:

[1, 2, 4, 8, 16, 32, 2161, 4322, 5749, 8644, 11498, 17288, 22996, 34576, 45992, 69152, 91984, 183968, 12423589, 24847178, 49694356, 99388712, 198777424, 397554848]

約数ペア:

[(1, 397554848), (2, 198777424), (4, 99388712), (8, 49694356), (16, 24847178), (32, 12423589), (2161, 183968), (4322, 91984), (5749, 69152), (8644, 45992), (11498, 34576), (17288, 22996)]