28819090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32381}}^1$

素因数の和:32477

約数の個数: 16

約数和(自身を含む): 52458840

約数和(自身を除く): 23639750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32381, 64762, 161905, 323810, 2881909, 5763818, 14409545, 28819090]

約数ペア:

[(1, 28819090), (2, 14409545), (5, 5763818), (10, 2881909), (89, 323810), (178, 161905), (445, 64762), (890, 32381)]