211745317

素因数分解:

$7^2\times {\mathrm{673}}^1\times {\mathrm{6421}}^1$

素因数の和:7108

約数の個数: 12

約数和(自身を含む): 246720396

約数和(自身を除く): 34975079

約数列:

[1, 7, 49, 673, 4711, 6421, 32977, 44947, 314629, 4321333, 30249331, 211745317]

約数ペア:

[(1, 211745317), (7, 30249331), (49, 4321333), (673, 314629), (4711, 44947), (6421, 32977)]