11901955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10771}}^1$

素因数の和:10806

約数の個数: 16

約数和(自身を含む): 16287264

約数和(自身を除く): 4385309

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 10771, 53855, 140023, 183107, 700115, 915535, 2380391, 11901955]

約数ペア:

[(1, 11901955), (5, 2380391), (13, 915535), (17, 700115), (65, 183107), (85, 140023), (221, 53855), (1105, 10771)]