28446505

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{353}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 34867584

約数和(自身を除く): 6421079

約数列:

[1, 5, 71, 227, 353, 355, 1135, 1765, 16117, 25063, 80131, 80585, 125315, 400655, 5689301, 28446505]

約数ペア:

[(1, 28446505), (5, 5689301), (71, 400655), (227, 125315), (353, 80585), (355, 80131), (1135, 25063), (1765, 16117)]