201620656

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{80263}}^1$

素因数の和:80428

約数の個数: 20

約数和(自身を含む): 393133072

約数和(自身を除く): 191512416

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 80263, 160526, 321052, 642104, 1284208, 12601291, 25202582, 50405164, 100810328, 201620656]

約数ペア:

[(1, 201620656), (2, 100810328), (4, 50405164), (8, 25202582), (16, 12601291), (157, 1284208), (314, 642104), (628, 321052), (1256, 160526), (2512, 80263)]