1328399998

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{619}}^1\times {\mathrm{8191}}^1$

素因数の和:8943

約数の個数: 16

約数和(自身を含む): 2011299840

約数和(自身を除く): 682899842

約数列:

[1, 2, 131, 262, 619, 1238, 8191, 16382, 81089, 162178, 1073021, 2146042, 5070229, 10140458, 664199999, 1328399998]

約数ペア:

[(1, 1328399998), (2, 664199999), (131, 10140458), (262, 5070229), (619, 2146042), (1238, 1073021), (8191, 162178), (16382, 81089)]