87640469

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 104959800

約数和(自身を除く): 17319331

約数列:

[1, 7, 49, 61, 109, 269, 427, 763, 1883, 2989, 5341, 6649, 13181, 16409, 29321, 46543, 114863, 205247, 325801, 804041, 1436729, 1788581, 12520067, 87640469]

約数ペア:

[(1, 87640469), (7, 12520067), (49, 1788581), (61, 1436729), (109, 804041), (269, 325801), (427, 205247), (763, 114863), (1883, 46543), (2989, 29321), (5341, 16409), (6649, 13181)]