218675128

素因数分解:

$2^3\times 7^1\times {\mathrm{3904913}}^1$

素因数の和:3904926

約数の個数: 16

約数和(自身を含む): 468589680

約数和(自身を除く): 249914552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3904913, 7809826, 15619652, 27334391, 31239304, 54668782, 109337564, 218675128]

約数ペア:

[(1, 218675128), (2, 109337564), (4, 54668782), (7, 31239304), (8, 27334391), (14, 15619652), (28, 7809826), (56, 3904913)]