209210965

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{2053}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 255106800

約数和(自身を除く): 45895835

約数列:

[1, 5, 89, 229, 445, 1145, 2053, 10265, 20381, 101905, 182717, 470137, 913585, 2350685, 41842193, 209210965]

約数ペア:

[(1, 209210965), (5, 41842193), (89, 2350685), (229, 913585), (445, 470137), (1145, 182717), (2053, 101905), (10265, 20381)]