31151140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91621}}^1$

素因数の和:91647

約数の個数: 24

約数和(自身を含む): 69266232

約数和(自身を除く): 38115092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91621, 183242, 366484, 458105, 916210, 1557557, 1832420, 3115114, 6230228, 7787785, 15575570, 31151140]

約数ペア:

[(1, 31151140), (2, 15575570), (4, 7787785), (5, 6230228), (10, 3115114), (17, 1832420), (20, 1557557), (34, 916210), (68, 458105), (85, 366484), (170, 183242), (340, 91621)]