201840644

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{78721}}^1$

素因数の和:79366

約数の個数: 12

約数和(自身を含む): 353776668

約数和(自身を除く): 151936024

約数列:

[1, 2, 4, 641, 1282, 2564, 78721, 157442, 314884, 50460161, 100920322, 201840644]

約数ペア:

[(1, 201840644), (2, 100920322), (4, 50460161), (641, 314884), (1282, 157442), (2564, 78721)]