220945681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{2801}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 246934656

約数和(自身を除く): 25988975

約数列:

[1, 11, 71, 101, 781, 1111, 2801, 7171, 30811, 78881, 198871, 282901, 2187581, 3111911, 20085971, 220945681]

約数ペア:

[(1, 220945681), (11, 20085971), (71, 3111911), (101, 2187581), (781, 282901), (1111, 198871), (2801, 78881), (7171, 30811)]