389664784

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{273641}}^1$

素因数の和:273738

約数の個数: 20

約数和(自身を含む): 763461180

約数和(自身を除く): 373796396

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 273641, 547282, 1094564, 2189128, 4378256, 24354049, 48708098, 97416196, 194832392, 389664784]

約数ペア:

[(1, 389664784), (2, 194832392), (4, 97416196), (8, 48708098), (16, 24354049), (89, 4378256), (178, 2189128), (356, 1094564), (712, 547282), (1424, 273641)]