220170145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8663}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 314399232

約数和(自身を除く): 94229087

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 8663, 25415, 43315, 112619, 147271, 199249, 563095, 736355, 996245, 1914523, 2590237, 3387233, 9572615, 12951185, 16936165, 44034029, 220170145]

約数ペア:

[(1, 220170145), (5, 44034029), (13, 16936165), (17, 12951185), (23, 9572615), (65, 3387233), (85, 2590237), (115, 1914523), (221, 996245), (299, 736355), (391, 563095), (1105, 199249), (1495, 147271), (1955, 112619), (5083, 43315), (8663, 25415)]