12681955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17737}}^1$

素因数の和:17766

約数の個数: 16

約数和(自身を含む): 17879904

約数和(自身を除く): 5197949

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 17737, 88685, 195107, 230581, 975535, 1152905, 2536391, 12681955]

約数ペア:

[(1, 12681955), (5, 2536391), (11, 1152905), (13, 975535), (55, 230581), (65, 195107), (143, 88685), (715, 17737)]