12748645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28019}}^1$

素因数の和:28044

約数の個数: 16

約数和(自身を含む): 18829440

約数和(自身を除く): 6080795

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 28019, 140095, 196133, 364247, 980665, 1821235, 2549729, 12748645]

約数ペア:

[(1, 12748645), (5, 2549729), (7, 1821235), (13, 980665), (35, 364247), (65, 196133), (91, 140095), (455, 28019)]