664694390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3909967}}^1$

素因数の和:3909991

約数の個数: 16

約数和(自身を含む): 1266829632

約数和(自身を除く): 602135242

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 3909967, 7819934, 19549835, 39099670, 66469439, 132938878, 332347195, 664694390]

約数ペア:

[(1, 664694390), (2, 332347195), (5, 132938878), (10, 66469439), (17, 39099670), (34, 19549835), (85, 7819934), (170, 3909967)]