28831325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 37319040

約数和(自身を除く): 8487715

約数列:

[1, 5, 25, 37, 71, 185, 355, 439, 925, 1775, 2195, 2627, 10975, 13135, 16243, 31169, 65675, 81215, 155845, 406075, 779225, 1153253, 5766265, 28831325]

約数ペア:

[(1, 28831325), (5, 5766265), (25, 1153253), (37, 779225), (71, 406075), (185, 155845), (355, 81215), (439, 65675), (925, 31169), (1775, 16243), (2195, 13135), (2627, 10975)]