2178732017

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1230227}}^1$

素因数の和:1230268

約数の個数: 16

約数和(自身を含む): 2834445312

約数和(自身を除く): 655713295

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 1230227, 8611589, 13532497, 28295221, 94727479, 198066547, 311247431, 2178732017]

約数ペア:

[(1, 2178732017), (7, 311247431), (11, 198066547), (23, 94727479), (77, 28295221), (161, 13532497), (253, 8611589), (1771, 1230227)]