12742457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4517}}^1$

素因数の和:4568

約数の個数: 16

約数和(自身を含む): 16192512

約数和(自身を除く): 3450055

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 4517, 31619, 58721, 140027, 411047, 980189, 1820351, 12742457]

約数ペア:

[(1, 12742457), (7, 1820351), (13, 980189), (31, 411047), (91, 140027), (217, 58721), (403, 31619), (2821, 4517)]