220193281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{8101}}^1$

素因数の和:8472

約数の個数: 16

約数和(自身を含む): 275338368

約数和(自身を除く): 55145087

約数列:

[1, 7, 11, 77, 353, 2471, 3883, 8101, 27181, 56707, 89111, 623777, 2859653, 20017571, 31456183, 220193281]

約数ペア:

[(1, 220193281), (7, 31456183), (11, 20017571), (77, 2859653), (353, 623777), (2471, 89111), (3883, 56707), (8101, 27181)]