309966992

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{199721}}^1$

素因数の和:199826

約数の個数: 20

約数和(自身を含む): 606755436

約数和(自身を除く): 296788444

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 199721, 399442, 798884, 1597768, 3195536, 19372937, 38745874, 77491748, 154983496, 309966992]

約数ペア:

[(1, 309966992), (2, 154983496), (4, 77491748), (8, 38745874), (16, 19372937), (97, 3195536), (194, 1597768), (388, 798884), (776, 399442), (1552, 199721)]