217910329

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{32803}}^1$

素因数の和:32896

約数の個数: 16

約数和(自身を含む): 271879552

約数和(自身を除く): 53969223

約数列:

[1, 7, 13, 73, 91, 511, 949, 6643, 32803, 229621, 426439, 2394619, 2985073, 16762333, 31130047, 217910329]

約数ペア:

[(1, 217910329), (7, 31130047), (13, 16762333), (73, 2985073), (91, 2394619), (511, 426439), (949, 229621), (6643, 32803)]