2785778890

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2871937}}^1$

素因数の和:2872041

約数の個数: 16

約数和(自身を含む): 5066098632

約数和(自身を除く): 2280319742

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 2871937, 5743874, 14359685, 28719370, 278577889, 557155778, 1392889445, 2785778890]

約数ペア:

[(1, 2785778890), (2, 1392889445), (5, 557155778), (10, 278577889), (97, 28719370), (194, 14359685), (485, 5743874), (970, 2871937)]