201878045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5189}}^1$

素因数の和:5476

約数の個数: 16

約数和(自身を含む): 251112960

約数和(自身を除く): 49234915

約数列:

[1, 5, 31, 155, 251, 1255, 5189, 7781, 25945, 38905, 160859, 804295, 1302439, 6512195, 40375609, 201878045]

約数ペア:

[(1, 201878045), (5, 40375609), (31, 6512195), (155, 1302439), (251, 804295), (1255, 160859), (5189, 38905), (7781, 25945)]