765890128

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{117037}}^1$

素因数の和:117454

約数の個数: 20

約数和(自身を含む): 1487552980

約数和(自身を除く): 721662852

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 117037, 234074, 468148, 936296, 1872592, 47868133, 95736266, 191472532, 382945064, 765890128]

約数ペア:

[(1, 765890128), (2, 382945064), (4, 191472532), (8, 95736266), (16, 47868133), (409, 1872592), (818, 936296), (1636, 468148), (3272, 234074), (6544, 117037)]