311965972

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{4001}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 554341032

約数和(自身を除く): 242375060

約数列:

[1, 2, 4, 101, 193, 202, 386, 404, 772, 4001, 8002, 16004, 19493, 38986, 77972, 404101, 772193, 808202, 1544386, 1616404, 3088772, 77991493, 155982986, 311965972]

約数ペア:

[(1, 311965972), (2, 155982986), (4, 77991493), (101, 3088772), (193, 1616404), (202, 1544386), (386, 808202), (404, 772193), (772, 404101), (4001, 77972), (8002, 38986), (16004, 19493)]