2011551997

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{1171}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 2541271040

約数和(自身を除く): 529719043

約数列:

[1, 7, 13, 43, 91, 301, 439, 559, 1171, 3073, 3913, 5707, 8197, 15223, 18877, 39949, 50353, 106561, 132139, 245401, 352471, 514069, 654589, 1717807, 3598483, 4582123, 6682897, 22104967, 46780279, 154734769, 287364571, 2011551997]

約数ペア:

[(1, 2011551997), (7, 287364571), (13, 154734769), (43, 46780279), (91, 22104967), (301, 6682897), (439, 4582123), (559, 3598483), (1171, 1717807), (3073, 654589), (3913, 514069), (5707, 352471), (8197, 245401), (15223, 132139), (18877, 106561), (39949, 50353)]