256768792

素因数分解:

$2^3\times 7^1\times {\mathrm{293}}^1\times {\mathrm{15649}}^1$

素因数の和:15955

約数の個数: 32

約数和(自身を含む): 552132000

約数和(自身を除く): 295363208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 293, 586, 1172, 2051, 2344, 4102, 8204, 15649, 16408, 31298, 62596, 109543, 125192, 219086, 438172, 876344, 4585157, 9170314, 18340628, 32096099, 36681256, 64192198, 128384396, 256768792]

約数ペア:

[(1, 256768792), (2, 128384396), (4, 64192198), (7, 36681256), (8, 32096099), (14, 18340628), (28, 9170314), (56, 4585157), (293, 876344), (586, 438172), (1172, 219086), (2051, 125192), (2344, 109543), (4102, 62596), (8204, 31298), (15649, 16408)]