128416256

素因数分解:

$2^9\times {\mathrm{250813}}^1$

素因数の和:250831

約数の個数: 20

約数和(自身を含む): 256582722

約数和(自身を除く): 128166466

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 250813, 501626, 1003252, 2006504, 4013008, 8026016, 16052032, 32104064, 64208128, 128416256]

約数ペア:

[(1, 128416256), (2, 64208128), (4, 32104064), (8, 16052032), (16, 8026016), (32, 4013008), (64, 2006504), (128, 1003252), (256, 501626), (512, 250813)]