64545985

素因数分解:

$5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2417}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 90965160

約数和(自身を除く): 26419175

約数列:

[1, 5, 7, 35, 49, 109, 245, 545, 763, 2417, 3815, 5341, 12085, 16919, 26705, 84595, 118433, 263453, 592165, 1317265, 1844171, 9220855, 12909197, 64545985]

約数ペア:

[(1, 64545985), (5, 12909197), (7, 9220855), (35, 1844171), (49, 1317265), (109, 592165), (245, 263453), (545, 118433), (763, 84595), (2417, 26705), (3815, 16919), (5341, 12085)]