217872061

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{1181}}^1$

素因数の和:1764

約数の個数: 16

約数和(自身を含む): 246007296

約数和(自身を除く): 28135235

約数列:

[1, 11, 31, 341, 541, 1181, 5951, 12991, 16771, 36611, 184481, 402721, 638921, 7028131, 19806551, 217872061]

約数ペア:

[(1, 217872061), (11, 19806551), (31, 7028131), (341, 638921), (541, 402721), (1181, 184481), (5951, 36611), (12991, 16771)]