778835394

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{397}}^1\times {\mathrm{1493}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 1716050232

約数和(自身を除く): 937214838

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 397, 438, 657, 794, 1191, 1314, 1493, 2382, 2986, 3573, 4479, 7146, 8958, 13437, 26874, 28981, 57962, 86943, 108989, 173886, 217978, 260829, 326967, 521658, 592721, 653934, 980901, 1185442, 1778163, 1961802, 3556326, 5334489, 10668978, 43268633, 86537266, 129805899, 259611798, 389417697, 778835394]

約数ペア:

[(1, 778835394), (2, 389417697), (3, 259611798), (6, 129805899), (9, 86537266), (18, 43268633), (73, 10668978), (146, 5334489), (219, 3556326), (397, 1961802), (438, 1778163), (657, 1185442), (794, 980901), (1191, 653934), (1314, 592721), (1493, 521658), (2382, 326967), (2986, 260829), (3573, 217978), (4479, 173886), (7146, 108989), (8958, 86943), (13437, 57962), (26874, 28981)]