8918885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 11343360

約数和(自身を除く): 2424475

約数列:

[1, 5, 19, 95, 223, 421, 1115, 2105, 4237, 7999, 21185, 39995, 93883, 469415, 1783777, 8918885]

約数ペア:

[(1, 8918885), (5, 1783777), (19, 469415), (95, 93883), (223, 39995), (421, 21185), (1115, 7999), (2105, 4237)]