217975021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1\times {\mathrm{577}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 242538048

約数和(自身を除く): 24563027

約数列:

[1, 11, 61, 563, 577, 671, 6193, 6347, 34343, 35197, 324851, 377773, 387167, 3573361, 19815911, 217975021]

約数ペア:

[(1, 217975021), (11, 19815911), (61, 3573361), (563, 387167), (577, 377773), (671, 324851), (6193, 35197), (6347, 34343)]