13990795

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 20942208

約数和(自身を除く): 6951413

約数列:

[1, 5, 7, 13, 35, 65, 91, 97, 317, 455, 485, 679, 1261, 1585, 2219, 3395, 4121, 6305, 8827, 11095, 20605, 28847, 30749, 44135, 144235, 153745, 215243, 399737, 1076215, 1998685, 2798159, 13990795]

約数ペア:

[(1, 13990795), (5, 2798159), (7, 1998685), (13, 1076215), (35, 399737), (65, 215243), (91, 153745), (97, 144235), (317, 44135), (455, 30749), (485, 28847), (679, 20605), (1261, 11095), (1585, 8827), (2219, 6305), (3395, 4121)]