81141115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{77647}}^1$

素因数の和:77682

約数の個数: 16

約数和(自身を含む): 111813120

約数和(自身を除く): 30672005

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 77647, 388235, 854117, 1475293, 4270585, 7376465, 16228223, 81141115]

約数ペア:

[(1, 81141115), (5, 16228223), (11, 7376465), (19, 4270585), (55, 1475293), (95, 854117), (209, 388235), (1045, 77647)]