12281345

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 15240960

約数和(自身を除く): 2959615

約数列:

[1, 5, 41, 139, 205, 431, 695, 2155, 5699, 17671, 28495, 59909, 88355, 299545, 2456269, 12281345]

約数ペア:

[(1, 12281345), (5, 2456269), (41, 299545), (139, 88355), (205, 59909), (431, 28495), (695, 17671), (2155, 5699)]