1289778812

素因数分解:

$2^2\times 7^1\times {\mathrm{1493}}^1\times {\mathrm{30853}}^1$

素因数の和:32357

約数の個数: 24

約数和(自身を含む): 2581369056

約数和(自身を除く): 1291590244

約数列:

[1, 2, 4, 7, 14, 28, 1493, 2986, 5972, 10451, 20902, 30853, 41804, 61706, 123412, 215971, 431942, 863884, 46063529, 92127058, 184254116, 322444703, 644889406, 1289778812]

約数ペア:

[(1, 1289778812), (2, 644889406), (4, 322444703), (7, 184254116), (14, 92127058), (28, 46063529), (1493, 863884), (2986, 431942), (5972, 215971), (10451, 123412), (20902, 61706), (30853, 41804)]