71815916

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{1087}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 127948800

約数和(自身を除く): 56132884

約数列:

[1, 2, 4, 83, 166, 199, 332, 398, 796, 1087, 2174, 4348, 16517, 33034, 66068, 90221, 180442, 216313, 360884, 432626, 865252, 17953979, 35907958, 71815916]

約数ペア:

[(1, 71815916), (2, 35907958), (4, 17953979), (83, 865252), (166, 432626), (199, 360884), (332, 216313), (398, 180442), (796, 90221), (1087, 66068), (2174, 33034), (4348, 16517)]