197888911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{877}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 219865248

約数和(自身を除く): 21976337

約数列:

[1, 11, 73, 281, 803, 877, 3091, 9647, 20513, 64021, 225643, 246437, 704231, 2710807, 17989901, 197888911]

約数ペア:

[(1, 197888911), (11, 17989901), (73, 2710807), (281, 704231), (803, 246437), (877, 225643), (3091, 64021), (9647, 20513)]