647567994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{18503}}^1$

素因数の和:18834

約数の個数: 32

約数和(自身を含む): 1367815680

約数和(自身を除く): 720247686

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 307, 614, 921, 1842, 5833, 11666, 17499, 18503, 34998, 37006, 55509, 111018, 351557, 703114, 1054671, 2109342, 5680421, 11360842, 17041263, 34082526, 107927999, 215855998, 323783997, 647567994]

約数ペア:

[(1, 647567994), (2, 323783997), (3, 215855998), (6, 107927999), (19, 34082526), (38, 17041263), (57, 11360842), (114, 5680421), (307, 2109342), (614, 1054671), (921, 703114), (1842, 351557), (5833, 111018), (11666, 55509), (17499, 37006), (18503, 34998)]