84040816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{128111}}^1$

素因数の和:128160

約数の個数: 20

約数和(自身を含む): 166801824

約数和(自身を除く): 82761008

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 128111, 256222, 512444, 1024888, 2049776, 5252551, 10505102, 21010204, 42020408, 84040816]

約数ペア:

[(1, 84040816), (2, 42020408), (4, 21010204), (8, 10505102), (16, 5252551), (41, 2049776), (82, 1024888), (164, 512444), (328, 256222), (656, 128111)]