256607154

素因数分解:

$2^1\times 3^2\times {\mathrm{643}}^1\times {\mathrm{22171}}^1$

素因数の和:22822

約数の個数: 24

約数和(自身を含む): 556871952

約数和(自身を除く): 300264798

約数列:

[1, 2, 3, 6, 9, 18, 643, 1286, 1929, 3858, 5787, 11574, 22171, 44342, 66513, 133026, 199539, 399078, 14255953, 28511906, 42767859, 85535718, 128303577, 256607154]

約数ペア:

[(1, 256607154), (2, 128303577), (3, 85535718), (6, 42767859), (9, 28511906), (18, 14255953), (643, 399078), (1286, 199539), (1929, 133026), (3858, 66513), (5787, 44342), (11574, 22171)]