257004385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{274871}}^1$

素因数の和:274904

約数の個数: 16

約数和(自身を含む): 356234112

約数和(自身を除く): 99229727

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 274871, 1374355, 3023581, 4672807, 15117905, 23364035, 51400877, 257004385]

約数ペア:

[(1, 257004385), (5, 51400877), (11, 23364035), (17, 15117905), (55, 4672807), (85, 3023581), (187, 1374355), (935, 274871)]