199356521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{19387}}^1$

素因数の和:19520

約数の個数: 16

約数和(自身を含む): 247545984

約数和(自身を除く): 48189463

約数列:

[1, 7, 13, 91, 113, 791, 1469, 10283, 19387, 135709, 252031, 1764217, 2190731, 15335117, 28479503, 199356521]

約数ペア:

[(1, 199356521), (7, 28479503), (13, 15335117), (91, 2190731), (113, 1764217), (791, 252031), (1469, 135709), (10283, 19387)]