728052176

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{640891}}^1$

素因数の和:640970

約数の個数: 20

約数和(自身を含む): 1430470944

約数和(自身を除く): 702418768

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 640891, 1281782, 2563564, 5127128, 10254256, 45503261, 91006522, 182013044, 364026088, 728052176]

約数ペア:

[(1, 728052176), (2, 364026088), (4, 182013044), (8, 91006522), (16, 45503261), (71, 10254256), (142, 5127128), (284, 2563564), (568, 1281782), (1136, 640891)]