12880595

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28309}}^1$

素因数の和:28334

約数の個数: 16

約数和(自身を含む): 19024320

約数和(自身を除く): 6143725

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 28309, 141545, 198163, 368017, 990815, 1840085, 2576119, 12880595]

約数ペア:

[(1, 12880595), (5, 2576119), (7, 1840085), (13, 990815), (35, 368017), (65, 198163), (91, 141545), (455, 28309)]