128565128

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{180569}}^1$

素因数の和:180664

約数の個数: 16

約数和(自身を含む): 243769500

約数和(自身を除く): 115204372

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 180569, 361138, 722276, 1444552, 16070641, 32141282, 64282564, 128565128]

約数ペア:

[(1, 128565128), (2, 64282564), (4, 32141282), (8, 16070641), (89, 1444552), (178, 722276), (356, 361138), (712, 180569)]