12898505

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 15879360

約数和(自身を除く): 2980855

約数列:

[1, 5, 67, 139, 277, 335, 695, 1385, 9313, 18559, 38503, 46565, 92795, 192515, 2579701, 12898505]

約数ペア:

[(1, 12898505), (5, 2579701), (67, 192515), (139, 92795), (277, 46565), (335, 38503), (695, 18559), (1385, 9313)]