28910917

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 33955200

約数和(自身を除く): 5044283

約数列:

[1, 7, 53, 149, 371, 523, 1043, 3661, 7897, 27719, 55279, 77927, 194033, 545489, 4130131, 28910917]

約数ペア:

[(1, 28910917), (7, 4130131), (53, 545489), (149, 194033), (371, 77927), (523, 55279), (1043, 27719), (3661, 7897)]