31451329

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11149}}^1$

素因数の和:11200

約数の個数: 16

約数和(自身を含む): 39961600

約数和(自身を除く): 8510271

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 11149, 78043, 144937, 345619, 1014559, 2419333, 4493047, 31451329]

約数ペア:

[(1, 31451329), (7, 4493047), (13, 2419333), (31, 1014559), (91, 345619), (217, 144937), (403, 78043), (2821, 11149)]