25531219

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 30601728

約数和(自身を除く): 5070509

約数列:

[1, 7, 23, 161, 347, 457, 2429, 3199, 7981, 10511, 55867, 73577, 158579, 1110053, 3647317, 25531219]

約数ペア:

[(1, 25531219), (7, 3647317), (23, 1110053), (161, 158579), (347, 73577), (457, 55867), (2429, 10511), (3199, 7981)]