320420737

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{39563}}^1$

素因数の和:39672

約数の個数: 16

約数和(自身を含む): 398805120

約数和(自身を除く): 78384383

約数列:

[1, 7, 13, 89, 91, 623, 1157, 8099, 39563, 276941, 514319, 3521107, 3600233, 24647749, 45774391, 320420737]

約数ペア:

[(1, 320420737), (7, 45774391), (13, 24647749), (89, 3600233), (91, 3521107), (623, 514319), (1157, 276941), (8099, 39563)]