389432816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1281029}}^1$

素因数の和:1281056

約数の個数: 20

約数和(自身を含む): 794238600

約数和(自身を除く): 404805784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1281029, 2562058, 5124116, 10248232, 20496464, 24339551, 48679102, 97358204, 194716408, 389432816]

約数ペア:

[(1, 389432816), (2, 194716408), (4, 97358204), (8, 48679102), (16, 24339551), (19, 20496464), (38, 10248232), (76, 5124116), (152, 2562058), (304, 1281029)]