28601665

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1080

約数の個数: 16

約数和(自身を含む): 35392896

約数和(自身を除く): 6791231

約数列:

[1, 5, 43, 151, 215, 755, 881, 4405, 6493, 32465, 37883, 133031, 189415, 665155, 5720333, 28601665]

約数ペア:

[(1, 28601665), (5, 5720333), (43, 665155), (151, 189415), (215, 133031), (755, 37883), (881, 32465), (4405, 6493)]