16561948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4363}}^1$

素因数の和:4453

約数の個数: 24

約数和(自身を含む): 31647728

約数和(自身を除く): 15085780

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 4363, 8726, 17452, 56719, 113438, 226876, 318499, 636998, 1273996, 4140487, 8280974, 16561948]

約数ペア:

[(1, 16561948), (2, 8280974), (4, 4140487), (13, 1273996), (26, 636998), (52, 318499), (73, 226876), (146, 113438), (292, 56719), (949, 17452), (1898, 8726), (3796, 4363)]