87471274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{128257}}^1$

素因数の和:128301

約数の個数: 16

約数和(自身を含む): 147753216

約数和(自身を除く): 60281942

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 128257, 256514, 1410827, 2821654, 3975967, 7951934, 43735637, 87471274]

約数ペア:

[(1, 87471274), (2, 43735637), (11, 7951934), (22, 3975967), (31, 2821654), (62, 1410827), (341, 256514), (682, 128257)]