197491028

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{25463}}^1$

素因数の和:25751

約数の個数: 24

約数和(自身を含む): 396423552

約数和(自身を除く): 198932524

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756, 25463, 50926, 101852, 178241, 356482, 712964, 7053251, 14106502, 28213004, 49372757, 98745514, 197491028]

約数ペア:

[(1, 197491028), (2, 98745514), (4, 49372757), (7, 28213004), (14, 14106502), (28, 7053251), (277, 712964), (554, 356482), (1108, 178241), (1939, 101852), (3878, 50926), (7756, 25463)]