201689278

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{103643}}^1$

素因数の和:103791

約数の個数: 16

約数和(自身を含む): 348243840

約数和(自身を除く): 146554562

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 103643, 207286, 725501, 1451002, 14406377, 28812754, 100844639, 201689278]

約数ペア:

[(1, 201689278), (2, 100844639), (7, 28812754), (14, 14406377), (139, 1451002), (278, 725501), (973, 207286), (1946, 103643)]