87438197

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5233}}^1$

素因数の和:5289

約数の個数: 24

約数和(自身を含む): 114561792

約数和(自身を除く): 27123595

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1519, 2387, 5233, 16709, 36631, 57563, 162223, 256417, 402941, 1135561, 1784453, 2820587, 7948927, 12491171, 87438197]

約数ペア:

[(1, 87438197), (7, 12491171), (11, 7948927), (31, 2820587), (49, 1784453), (77, 1135561), (217, 402941), (341, 256417), (539, 162223), (1519, 57563), (2387, 36631), (5233, 16709)]