213945608

素因数分解:

$2^3\times {\mathrm{311}}^1\times {\mathrm{85991}}^1$

素因数の和:86308

約数の個数: 16

約数和(自身を含む): 402442560

約数和(自身を除く): 188496952

約数列:

[1, 2, 4, 8, 311, 622, 1244, 2488, 85991, 171982, 343964, 687928, 26743201, 53486402, 106972804, 213945608]

約数ペア:

[(1, 213945608), (2, 106972804), (4, 53486402), (8, 26743201), (311, 687928), (622, 343964), (1244, 171982), (2488, 85991)]