638893486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4148659}}^1$

素因数の和:4148679

約数の個数: 16

約数和(自身を含む): 1194814080

約数和(自身を除く): 555920594

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4148659, 8297318, 29040613, 45635249, 58081226, 91270498, 319446743, 638893486]

約数ペア:

[(1, 638893486), (2, 319446743), (7, 91270498), (11, 58081226), (14, 45635249), (22, 29040613), (77, 8297318), (154, 4148659)]