208657926

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{218719}}^1$

素因数の和:218780

約数の個数: 24

約数和(自身を含む): 460624320

約数和(自身を除く): 251966394

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 218719, 437438, 656157, 1312314, 1968471, 3936942, 11592107, 23184214, 34776321, 69552642, 104328963, 208657926]

約数ペア:

[(1, 208657926), (2, 104328963), (3, 69552642), (6, 34776321), (9, 23184214), (18, 11592107), (53, 3936942), (106, 1968471), (159, 1312314), (318, 656157), (477, 437438), (954, 218719)]