161985109

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{4513}}^1$

素因数の和:4788

約数の個数: 16

約数和(自身を含む): 191104704

約数和(自身を除く): 29119595

約数列:

[1, 11, 13, 143, 251, 2761, 3263, 4513, 35893, 49643, 58669, 645359, 1132763, 12460393, 14725919, 161985109]

約数ペア:

[(1, 161985109), (11, 14725919), (13, 12460393), (143, 1132763), (251, 645359), (2761, 58669), (3263, 49643), (4513, 35893)]