208602005

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{3067}}^1$

素因数の和:3356

約数の個数: 16

約数和(自身を含む): 255650304

約数和(自身を除く): 47048299

約数列:

[1, 5, 61, 223, 305, 1115, 3067, 13603, 15335, 68015, 187087, 683941, 935435, 3419705, 41720401, 208602005]

約数ペア:

[(1, 208602005), (5, 41720401), (61, 3419705), (223, 935435), (305, 683941), (1115, 187087), (3067, 68015), (13603, 15335)]