71438236

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{659}}^1\times {\mathrm{661}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 128454480

約数和(自身を除く): 57016244

約数列:

[1, 2, 4, 41, 82, 164, 659, 661, 1318, 1322, 2636, 2644, 27019, 27101, 54038, 54202, 108076, 108404, 435599, 871198, 1742396, 17859559, 35719118, 71438236]

約数ペア:

[(1, 71438236), (2, 35719118), (4, 17859559), (41, 1742396), (82, 871198), (164, 435599), (659, 108404), (661, 108076), (1318, 54202), (1322, 54038), (2636, 27101), (2644, 27019)]