220719212

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{56711}}^1$

素因数の和:56861

約数の個数: 24

約数和(自身を含む): 444622080

約数和(自身を除く): 223902868

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 56711, 113422, 226844, 396977, 793954, 1587908, 7882829, 15765658, 31531316, 55179803, 110359606, 220719212]

約数ペア:

[(1, 220719212), (2, 110359606), (4, 55179803), (7, 31531316), (14, 15765658), (28, 7882829), (139, 1587908), (278, 793954), (556, 396977), (973, 226844), (1946, 113422), (3892, 56711)]