211263073

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{27919}}^1$

素因数の和:27996

約数の個数: 16

約数和(自身を含む): 257310720

約数和(自身を除く): 46047647

約数列:

[1, 7, 23, 47, 161, 329, 1081, 7567, 27919, 195433, 642137, 1312193, 4494959, 9185351, 30180439, 211263073]

約数ペア:

[(1, 211263073), (7, 30180439), (23, 9185351), (47, 4494959), (161, 1312193), (329, 642137), (1081, 195433), (7567, 27919)]