2489795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 3870720

約数和(自身を除く): 1380925

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 223, 319, 385, 1015, 1115, 1561, 1595, 2233, 2453, 6467, 7805, 11165, 12265, 17171, 32335, 45269, 71137, 85855, 226345, 355685, 497959, 2489795]

約数ペア:

[(1, 2489795), (5, 497959), (7, 355685), (11, 226345), (29, 85855), (35, 71137), (55, 45269), (77, 32335), (145, 17171), (203, 12265), (223, 11165), (319, 7805), (385, 6467), (1015, 2453), (1115, 2233), (1561, 1595)]