28320281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 32011200

約数和(自身を除く): 3690919

約数列:

[1, 11, 37, 149, 407, 467, 1639, 5137, 5513, 17279, 60643, 69583, 190069, 765413, 2574571, 28320281]

約数ペア:

[(1, 28320281), (11, 2574571), (37, 765413), (149, 190069), (407, 69583), (467, 60643), (1639, 17279), (5137, 5513)]