128336816

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{25303}}^1$

素因数の和:25628

約数の個数: 20

約数和(自身を含む): 249446832

約数和(自身を除く): 121110016

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 25303, 50606, 101212, 202424, 404848, 8021051, 16042102, 32084204, 64168408, 128336816]

約数ペア:

[(1, 128336816), (2, 64168408), (4, 32084204), (8, 16042102), (16, 8021051), (317, 404848), (634, 202424), (1268, 101212), (2536, 50606), (5072, 25303)]