1399680065

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1738733}}^1$

素因数の和:1738768

約数の個数: 16

約数和(自身を含む): 2003021568

約数和(自身を除く): 603341503

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 1738733, 8693665, 12171131, 39990859, 60855655, 199954295, 279936013, 1399680065]

約数ペア:

[(1, 1399680065), (5, 279936013), (7, 199954295), (23, 60855655), (35, 39990859), (115, 12171131), (161, 8693665), (805, 1738733)]