217984928

素因数分解:

$2^5\times 7^2\times {\mathrm{139021}}^1$

素因数の和:139045

約数の個数: 36

約数和(自身を含む): 499228002

約数和(自身を除く): 281243074

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 139021, 278042, 556084, 973147, 1112168, 1946294, 2224336, 3892588, 4448672, 6812029, 7785176, 13624058, 15570352, 27248116, 31140704, 54496232, 108992464, 217984928]

約数ペア:

[(1, 217984928), (2, 108992464), (4, 54496232), (7, 31140704), (8, 27248116), (14, 15570352), (16, 13624058), (28, 7785176), (32, 6812029), (49, 4448672), (56, 3892588), (98, 2224336), (112, 1946294), (196, 1112168), (224, 973147), (392, 556084), (784, 278042), (1568, 139021)]