217266784

素因数分解:

$2^5\times 7^2\times {\mathrm{138563}}^1$

素因数の和:138587

約数の個数: 36

約数和(自身を含む): 497583324

約数和(自身を除く): 280316540

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 138563, 277126, 554252, 969941, 1108504, 1939882, 2217008, 3879764, 4434016, 6789587, 7759528, 13579174, 15519056, 27158348, 31038112, 54316696, 108633392, 217266784]

約数ペア:

[(1, 217266784), (2, 108633392), (4, 54316696), (7, 31038112), (8, 27158348), (14, 15519056), (16, 13579174), (28, 7759528), (32, 6789587), (49, 4434016), (56, 3879764), (98, 2217008), (112, 1939882), (196, 1108504), (224, 969941), (392, 554252), (784, 277126), (1568, 138563)]