642606745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{89189}}^1$

素因数の和:89336

約数の個数: 16

約数和(自身を含む): 847661760

約数和(自身を除く): 205055015

約数列:

[1, 5, 11, 55, 131, 655, 1441, 7205, 89189, 445945, 981079, 4905395, 11683759, 58418795, 128521349, 642606745]

約数ペア:

[(1, 642606745), (5, 128521349), (11, 58418795), (55, 11683759), (131, 4905395), (655, 981079), (1441, 445945), (7205, 89189)]