251018576

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{7717}}^1$

素因数の和:7851

約数の個数: 40

約数和(自身を含む): 516797280

約数和(自身を除く): 265778704

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 107, 152, 214, 304, 428, 856, 1712, 2033, 4066, 7717, 8132, 15434, 16264, 30868, 32528, 61736, 123472, 146623, 293246, 586492, 825719, 1172984, 1651438, 2345968, 3302876, 6605752, 13211504, 15688661, 31377322, 62754644, 125509288, 251018576]

約数ペア:

[(1, 251018576), (2, 125509288), (4, 62754644), (8, 31377322), (16, 15688661), (19, 13211504), (38, 6605752), (76, 3302876), (107, 2345968), (152, 1651438), (214, 1172984), (304, 825719), (428, 586492), (856, 293246), (1712, 146623), (2033, 123472), (4066, 61736), (7717, 32528), (8132, 30868), (15434, 16264)]