28194049

素因数分解:

${\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 31101840

約数和(自身を除く): 2907791

約数列:

[1, 13, 101, 109, 197, 1313, 1417, 2561, 11009, 19897, 21473, 143117, 258661, 279149, 2168773, 28194049]

約数ペア:

[(1, 28194049), (13, 2168773), (101, 279149), (109, 258661), (197, 143117), (1313, 21473), (1417, 19897), (2561, 11009)]