129757072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 261626112

約数和(自身を除く): 131869040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 496, 524, 1048, 1997, 2096, 3994, 4061, 7988, 8122, 15976, 16244, 31952, 32488, 61907, 64976, 123814, 247628, 261607, 495256, 523214, 990512, 1046428, 2092856, 4185712, 8109817, 16219634, 32439268, 64878536, 129757072]

約数ペア:

[(1, 129757072), (2, 64878536), (4, 32439268), (8, 16219634), (16, 8109817), (31, 4185712), (62, 2092856), (124, 1046428), (131, 990512), (248, 523214), (262, 495256), (496, 261607), (524, 247628), (1048, 123814), (1997, 64976), (2096, 61907), (3994, 32488), (4061, 31952), (7988, 16244), (8122, 15976)]