259605424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1248103}}^1$

素因数の和:1248124

約数の個数: 20

約数和(自身を含む): 541677136

約数和(自身を除く): 282071712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1248103, 2496206, 4992412, 9984824, 16225339, 19969648, 32450678, 64901356, 129802712, 259605424]

約数ペア:

[(1, 259605424), (2, 129802712), (4, 64901356), (8, 32450678), (13, 19969648), (16, 16225339), (26, 9984824), (52, 4992412), (104, 2496206), (208, 1248103)]