28478315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4241}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 36650880

約数和(自身を除く): 8172565

約数列:

[1, 5, 17, 79, 85, 395, 1343, 4241, 6715, 21205, 72097, 335039, 360485, 1675195, 5695663, 28478315]

約数ペア:

[(1, 28478315), (5, 5695663), (17, 1675195), (79, 360485), (85, 335039), (395, 72097), (1343, 21205), (4241, 6715)]