2019495961

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2\times {\mathrm{577}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 2405515776

約数和(自身を除く): 386019815

約数列:

[1, 7, 31, 127, 217, 577, 889, 3937, 4039, 16129, 17887, 27559, 73279, 112903, 125209, 499999, 512953, 2271649, 3499993, 9306433, 15901543, 65145031, 288499423, 2019495961]

約数ペア:

[(1, 2019495961), (7, 288499423), (31, 65145031), (127, 15901543), (217, 9306433), (577, 3499993), (889, 2271649), (3937, 512953), (4039, 499999), (16129, 125209), (17887, 112903), (27559, 73279)]