219806128

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{43891}}^1$

素因数の和:44212

約数の個数: 20

約数和(自身を含む): 427244728

約数和(自身を除く): 207438600

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 43891, 87782, 175564, 351128, 702256, 13737883, 27475766, 54951532, 109903064, 219806128]

約数ペア:

[(1, 219806128), (2, 109903064), (4, 54951532), (8, 27475766), (16, 13737883), (313, 702256), (626, 351128), (1252, 175564), (2504, 87782), (5008, 43891)]