51481745

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20717}}^1$

素因数の和:20800

約数の個数: 16

約数和(自身を含む): 71601408

約数和(自身を除く): 20119663

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 20717, 103585, 145019, 725095, 1470907, 7354535, 10296349, 51481745]

約数ペア:

[(1, 51481745), (5, 10296349), (7, 7354535), (35, 1470907), (71, 725095), (355, 145019), (497, 103585), (2485, 20717)]