128434836

素因数分解:

$2^2\times 3^1\times {\mathrm{521}}^1\times {\mathrm{20543}}^1$

素因数の和:21071

約数の個数: 24

約数和(自身を含む): 300271104

約数和(自身を除く): 171836268

約数列:

[1, 2, 3, 4, 6, 12, 521, 1042, 1563, 2084, 3126, 6252, 20543, 41086, 61629, 82172, 123258, 246516, 10702903, 21405806, 32108709, 42811612, 64217418, 128434836]

約数ペア:

[(1, 128434836), (2, 64217418), (3, 42811612), (4, 32108709), (6, 21405806), (12, 10702903), (521, 246516), (1042, 123258), (1563, 82172), (2084, 61629), (3126, 41086), (6252, 20543)]