207930919

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1481}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 245846016

約数和(自身を除く): 37915097

約数列:

[1, 7, 31, 217, 647, 1481, 4529, 10367, 20057, 45911, 140399, 321377, 958207, 6707449, 29704417, 207930919]

約数ペア:

[(1, 207930919), (7, 29704417), (31, 6707449), (217, 958207), (647, 321377), (1481, 140399), (4529, 45911), (10367, 20057)]