12509705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11321}}^1$

素因数の和:11356

約数の個数: 16

約数和(自身を含む): 17118864

約数和(自身を除く): 4609159

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 11321, 56605, 147173, 192457, 735865, 962285, 2501941, 12509705]

約数ペア:

[(1, 12509705), (5, 2501941), (13, 962285), (17, 735865), (65, 192457), (85, 147173), (221, 56605), (1105, 11321)]