1388973728905

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{1726409}}^1$

素因数の和:1726729

約数の個数: 32

約数和(自身を含む): 1930485473280

約数和(自身を除く): 541511744375

約数列:

[1, 5, 7, 35, 127, 181, 635, 889, 905, 1267, 4445, 6335, 22987, 114935, 160909, 804545, 1726409, 8632045, 12084863, 60424315, 219253943, 312480029, 1096269715, 1534777601, 1562400145, 2187360203, 7673888005, 10936801015, 39684963683, 198424818415, 277794745781, 1388973728905]

約数ペア:

[(1, 1388973728905), (5, 277794745781), (7, 198424818415), (35, 39684963683), (127, 10936801015), (181, 7673888005), (635, 2187360203), (889, 1562400145), (905, 1534777601), (1267, 1096269715), (4445, 312480029), (6335, 219253943), (22987, 60424315), (114935, 12084863), (160909, 8632045), (804545, 1726409)]