39640972

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23209}}^1$

素因数の和:23281

約数の個数: 24

約数和(自身を含む): 80585120

約数和(自身を除く): 40944148

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 23209, 46418, 92836, 162463, 324926, 649852, 1415749, 2831498, 5662996, 9910243, 19820486, 39640972]

約数ペア:

[(1, 39640972), (2, 19820486), (4, 9910243), (7, 5662996), (14, 2831498), (28, 1415749), (61, 649852), (122, 324926), (244, 162463), (427, 92836), (854, 46418), (1708, 23209)]