20161319255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7481009}}^1$

素因数の和:7481039

約数の個数: 24

約数和(自身を含む): 30702065040

約数和(自身を除く): 10540745785

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 7481009, 37405045, 52367063, 82291099, 261835315, 366569441, 411455495, 576037693, 1832847205, 2880188465, 4032263851, 20161319255]

約数ペア:

[(1, 20161319255), (5, 4032263851), (7, 2880188465), (11, 1832847205), (35, 576037693), (49, 411455495), (55, 366569441), (77, 261835315), (245, 82291099), (385, 52367063), (539, 37405045), (2695, 7481009)]