220176385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307939}}^1$

素因数の和:307968

約数の個数: 16

約数和(自身を含む): 310403520

約数和(自身を除く): 90227135

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 307939, 1539695, 3387329, 4003207, 16936645, 20016035, 44035277, 220176385]

約数ペア:

[(1, 220176385), (5, 44035277), (11, 20016035), (13, 16936645), (55, 4003207), (65, 3387329), (143, 1539695), (715, 307939)]