205280521615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{22720589}}^1$

素因数の和:22720746

約数の個数: 16

約数和(自身を含む): 267194138400

約数和(自身を除く): 61913616785

約数列:

[1, 5, 13, 65, 139, 695, 1807, 9035, 22720589, 113602945, 295367657, 1476838285, 3158161871, 15790809355, 41056104323, 205280521615]

約数ペア:

[(1, 205280521615), (5, 41056104323), (13, 15790809355), (65, 3158161871), (139, 1476838285), (695, 295367657), (1807, 113602945), (9035, 22720589)]