221279938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^2$

素因数の和:690

約数の個数: 24

約数和(自身を含む): 366060240

約数和(自身を除く): 144780302

約数列:

[1, 2, 11, 22, 139, 269, 278, 538, 1529, 2959, 3058, 5918, 37391, 72361, 74782, 144722, 411301, 795971, 822602, 1591942, 10058179, 20116358, 110639969, 221279938]

約数ペア:

[(1, 221279938), (2, 110639969), (11, 20116358), (22, 10058179), (139, 1591942), (269, 822602), (278, 795971), (538, 411301), (1529, 144722), (2959, 74782), (3058, 72361), (5918, 37391)]