128169886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1187}}^1\times {\mathrm{4153}}^1$

素因数の和:5355

約数の個数: 16

約数和(自身を含む): 207267984

約数和(自身を除く): 79098098

約数列:

[1, 2, 13, 26, 1187, 2374, 4153, 8306, 15431, 30862, 53989, 107978, 4929611, 9859222, 64084943, 128169886]

約数ペア:

[(1, 128169886), (2, 64084943), (13, 9859222), (26, 4929611), (1187, 107978), (2374, 53989), (4153, 30862), (8306, 15431)]