16289221

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 18474624

約数和(自身を除く): 2185403

約数列:

[1, 13, 23, 157, 299, 347, 2041, 3611, 4511, 7981, 46943, 54479, 103753, 708227, 1253017, 16289221]

約数ペア:

[(1, 16289221), (13, 1253017), (23, 708227), (157, 103753), (299, 54479), (347, 46943), (2041, 7981), (3611, 4511)]