9189995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 11603520

約数和(自身を除く): 2413525

約数列:

[1, 5, 23, 115, 157, 509, 785, 2545, 3611, 11707, 18055, 58535, 79913, 399565, 1837999, 9189995]

約数ペア:

[(1, 9189995), (5, 1837999), (23, 399565), (115, 79913), (157, 58535), (509, 18055), (785, 11707), (2545, 3611)]