221528660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{133451}}^1$

素因数の和:133543

約数の個数: 24

約数和(自身を含む): 470818656

約数和(自身を除く): 249289996

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 133451, 266902, 533804, 667255, 1334510, 2669020, 11076433, 22152866, 44305732, 55382165, 110764330, 221528660]

約数ペア:

[(1, 221528660), (2, 110764330), (4, 55382165), (5, 44305732), (10, 22152866), (20, 11076433), (83, 2669020), (166, 1334510), (332, 667255), (415, 533804), (830, 266902), (1660, 133451)]