8131207

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 10046592

約数和(自身を除く): 1915385

約数列:

[1, 7, 31, 49, 53, 101, 217, 371, 707, 1519, 1643, 2597, 3131, 4949, 5353, 11501, 21917, 37471, 80507, 153419, 165943, 262297, 1161601, 8131207]

約数ペア:

[(1, 8131207), (7, 1161601), (31, 262297), (49, 165943), (53, 153419), (101, 80507), (217, 37471), (371, 21917), (707, 11501), (1519, 5353), (1643, 4949), (2597, 3131)]