251019028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{155719}}^1$

素因数の和:155767

約数の個数: 24

約数和(自身を含む): 488337920

約数和(自身を除く): 237318892

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 155719, 311438, 622876, 2024347, 4048694, 4827289, 8097388, 9654578, 19309156, 62754757, 125509514, 251019028]

約数ペア:

[(1, 251019028), (2, 125509514), (4, 62754757), (13, 19309156), (26, 9654578), (31, 8097388), (52, 4827289), (62, 4048694), (124, 2024347), (403, 622876), (806, 311438), (1612, 155719)]