638943316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{967}}^1\times {\mathrm{15017}}^1$

素因数の和:15999

約数の個数: 24

約数和(自身を含む): 1221143616

約数和(自身を除く): 582200300

約数列:

[1, 2, 4, 11, 22, 44, 967, 1934, 3868, 10637, 15017, 21274, 30034, 42548, 60068, 165187, 330374, 660748, 14521439, 29042878, 58085756, 159735829, 319471658, 638943316]

約数ペア:

[(1, 638943316), (2, 319471658), (4, 159735829), (11, 58085756), (22, 29042878), (44, 14521439), (967, 660748), (1934, 330374), (3868, 165187), (10637, 60068), (15017, 42548), (21274, 30034)]