39972515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4201}}^1$

素因数の和:4390

約数の個数: 16

約数和(自身を含む): 52642656

約数和(自身を除く): 12670141

約数列:

[1, 5, 11, 55, 173, 865, 1903, 4201, 9515, 21005, 46211, 231055, 726773, 3633865, 7994503, 39972515]

約数ペア:

[(1, 39972515), (5, 7994503), (11, 3633865), (55, 726773), (173, 231055), (865, 46211), (1903, 21005), (4201, 9515)]