128646918

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{90469}}^1$

素因数の和:90556

約数の個数: 24

約数和(自身を含む): 282266400

約数和(自身を除く): 153619482

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 90469, 180938, 271407, 542814, 814221, 1628442, 7147051, 14294102, 21441153, 42882306, 64323459, 128646918]

約数ペア:

[(1, 128646918), (2, 64323459), (3, 42882306), (6, 21441153), (9, 14294102), (18, 7147051), (79, 1628442), (158, 814221), (237, 542814), (474, 271407), (711, 180938), (1422, 90469)]