25286768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121571}}^1$

素因数の和:121592

約数の個数: 20

約数和(自身を含む): 52762248

約数和(自身を除く): 27475480

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121571, 243142, 486284, 972568, 1580423, 1945136, 3160846, 6321692, 12643384, 25286768]

約数ペア:

[(1, 25286768), (2, 12643384), (4, 6321692), (8, 3160846), (13, 1945136), (16, 1580423), (26, 972568), (52, 486284), (104, 243142), (208, 121571)]