129380176

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{113891}}^1$

素因数の和:113970

約数の個数: 20

約数和(自身を含む): 254206944

約数和(自身を除く): 124826768

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 113891, 227782, 455564, 911128, 1822256, 8086261, 16172522, 32345044, 64690088, 129380176]

約数ペア:

[(1, 129380176), (2, 64690088), (4, 32345044), (8, 16172522), (16, 8086261), (71, 1822256), (142, 911128), (284, 455564), (568, 227782), (1136, 113891)]