81718108

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{997}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 147991424

約数和(自身を除く): 66273316

約数列:

[1, 2, 4, 31, 62, 124, 661, 997, 1322, 1994, 2644, 3988, 20491, 30907, 40982, 61814, 81964, 123628, 659017, 1318034, 2636068, 20429527, 40859054, 81718108]

約数ペア:

[(1, 81718108), (2, 40859054), (4, 20429527), (31, 2636068), (62, 1318034), (124, 659017), (661, 123628), (997, 81964), (1322, 61814), (1994, 40982), (2644, 30907), (3988, 20491)]