81106745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{2333}}^1$

素因数の和:2764

約数の個数: 16

約数和(自身を含む): 103349520

約数和(自身を除く): 22242775

約数列:

[1, 5, 17, 85, 409, 2045, 2333, 6953, 11665, 34765, 39661, 198305, 954197, 4770985, 16221349, 81106745]

約数ペア:

[(1, 81106745), (5, 16221349), (17, 4770985), (85, 954197), (409, 198305), (2045, 39661), (2333, 34765), (6953, 11665)]