71420816

素因数分解:

$2^4\times {\mathrm{479}}^1\times {\mathrm{9319}}^1$

素因数の和:9806

約数の個数: 20

約数和(自身を含む): 138681600

約数和(自身を除く): 67260784

約数列:

[1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664, 9319, 18638, 37276, 74552, 149104, 4463801, 8927602, 17855204, 35710408, 71420816]

約数ペア:

[(1, 71420816), (2, 35710408), (4, 17855204), (8, 8927602), (16, 4463801), (479, 149104), (958, 74552), (1916, 37276), (3832, 18638), (7664, 9319)]