216388454

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{2801}}^1$

素因数の和:2948

約数の個数: 24

約数和(自身を含む): 345890088

約数和(自身を除く): 129501634

約数列:

[1, 2, 19, 38, 107, 214, 361, 722, 2033, 2801, 4066, 5602, 38627, 53219, 77254, 106438, 299707, 599414, 1011161, 2022322, 5694433, 11388866, 108194227, 216388454]

約数ペア:

[(1, 216388454), (2, 108194227), (19, 11388866), (38, 5694433), (107, 2022322), (214, 1011161), (361, 599414), (722, 299707), (2033, 106438), (2801, 77254), (4066, 53219), (5602, 38627)]