261954032

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{150203}}^1$

素因数の和:150320

約数の個数: 20

約数和(自身を含む): 512195640

約数和(自身を除く): 250241608

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 150203, 300406, 600812, 1201624, 2403248, 16372127, 32744254, 65488508, 130977016, 261954032]

約数ペア:

[(1, 261954032), (2, 130977016), (4, 65488508), (8, 32744254), (16, 16372127), (109, 2403248), (218, 1201624), (436, 600812), (872, 300406), (1744, 150203)]