256702929

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{4931}}^1$

素因数の和:5045

約数の個数: 32

約数和(自身を含む): 407817216

約数和(自身を除く): 151114287

約数列:

[1, 3, 7, 21, 37, 67, 111, 201, 259, 469, 777, 1407, 2479, 4931, 7437, 14793, 17353, 34517, 52059, 103551, 182447, 330377, 547341, 991131, 1277129, 2312639, 3831387, 6937917, 12223949, 36671847, 85567643, 256702929]

約数ペア:

[(1, 256702929), (3, 85567643), (7, 36671847), (21, 12223949), (37, 6937917), (67, 3831387), (111, 2312639), (201, 1277129), (259, 991131), (469, 547341), (777, 330377), (1407, 182447), (2479, 103551), (4931, 52059), (7437, 34517), (14793, 17353)]