28680155

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15461}}^1$

素因数の和:15526

約数の個数: 16

約数和(自身を含む): 40077504

約数和(自身を除く): 11397349

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 15461, 77305, 108227, 541135, 819433, 4097165, 5736031, 28680155]

約数ペア:

[(1, 28680155), (5, 5736031), (7, 4097165), (35, 819433), (53, 541135), (265, 108227), (371, 77305), (1855, 15461)]