128208112

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{607}}^1$

素因数の和:965

約数の個数: 40

約数和(自身を含む): 255428096

約数和(自身を除く): 127219984

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 307, 344, 607, 614, 688, 1214, 1228, 2428, 2456, 4856, 4912, 9712, 13201, 26101, 26402, 52202, 52804, 104404, 105608, 186349, 208808, 211216, 372698, 417616, 745396, 1490792, 2981584, 8013007, 16026014, 32052028, 64104056, 128208112]

約数ペア:

[(1, 128208112), (2, 64104056), (4, 32052028), (8, 16026014), (16, 8013007), (43, 2981584), (86, 1490792), (172, 745396), (307, 417616), (344, 372698), (607, 211216), (614, 208808), (688, 186349), (1214, 105608), (1228, 104404), (2428, 52804), (2456, 52202), (4856, 26402), (4912, 26101), (9712, 13201)]