214978048

素因数分解:

$2^9\times {\mathrm{643}}^1\times {\mathrm{653}}^1$

素因数の和:1314

約数の個数: 40

約数和(自身を含む): 430863048

約数和(自身を除く): 215885000

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 643, 653, 1286, 1306, 2572, 2612, 5144, 5224, 10288, 10448, 20576, 20896, 41152, 41792, 82304, 83584, 164608, 167168, 329216, 334336, 419879, 839758, 1679516, 3359032, 6718064, 13436128, 26872256, 53744512, 107489024, 214978048]

約数ペア:

[(1, 214978048), (2, 107489024), (4, 53744512), (8, 26872256), (16, 13436128), (32, 6718064), (64, 3359032), (128, 1679516), (256, 839758), (512, 419879), (643, 334336), (653, 329216), (1286, 167168), (1306, 164608), (2572, 83584), (2612, 82304), (5144, 41792), (5224, 41152), (10288, 20896), (10448, 20576)]