205127870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{1451}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 376776576

約数和(自身を除く): 171648706

約数列:

[1, 2, 5, 10, 67, 134, 211, 335, 422, 670, 1055, 1451, 2110, 2902, 7255, 14137, 14510, 28274, 70685, 97217, 141370, 194434, 306161, 486085, 612322, 972170, 1530805, 3061610, 20512787, 41025574, 102563935, 205127870]

約数ペア:

[(1, 205127870), (2, 102563935), (5, 41025574), (10, 20512787), (67, 3061610), (134, 1530805), (211, 972170), (335, 612322), (422, 486085), (670, 306161), (1055, 194434), (1451, 141370), (2110, 97217), (2902, 70685), (7255, 28274), (14137, 14510)]