668868838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{90217}}^1$

素因数の和:90567

約数の個数: 16

約数和(自身を含む): 1097772624

約数和(自身を除く): 428903786

約数列:

[1, 2, 11, 22, 337, 674, 3707, 7414, 90217, 180434, 992387, 1984774, 30403129, 60806258, 334434419, 668868838]

約数ペア:

[(1, 668868838), (2, 334434419), (11, 60806258), (22, 30403129), (337, 1984774), (674, 992387), (3707, 180434), (7414, 90217)]