208775413

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{9649}}^1$

素因数の和:9948

約数の個数: 16

約数和(自身を含む): 261244800

約数和(自身を除く): 52469387

約数列:

[1, 7, 11, 77, 281, 1967, 3091, 9649, 21637, 67543, 106139, 742973, 2711369, 18979583, 29825059, 208775413]

約数ペア:

[(1, 208775413), (7, 29825059), (11, 18979583), (77, 2711369), (281, 742973), (1967, 106139), (3091, 67543), (9649, 21637)]