128137492

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{9397}}^1$

素因数の和:9895

約数の個数: 24

約数和(自身を含む): 256828544

約数和(自身を除く): 128691052

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 9397, 13636, 18794, 37588, 65779, 131558, 263116, 4576339, 9152678, 18305356, 32034373, 64068746, 128137492]

約数ペア:

[(1, 128137492), (2, 64068746), (4, 32034373), (7, 18305356), (14, 9152678), (28, 4576339), (487, 263116), (974, 131558), (1948, 65779), (3409, 37588), (6818, 18794), (9397, 13636)]