4400656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{21157}}^1$

素因数の和:21178

約数の個数: 20

約数和(自身を含む): 9182572

約数和(自身を除く): 4781916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 21157, 42314, 84628, 169256, 275041, 338512, 550082, 1100164, 2200328, 4400656]

約数ペア:

[(1, 4400656), (2, 2200328), (4, 1100164), (8, 550082), (13, 338512), (16, 275041), (26, 169256), (52, 84628), (104, 42314), (208, 21157)]