12928208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:136

約数の個数: 60

約数和(自身を含む): 28167840

約数和(自身を除く): 15239632

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 43, 46, 76, 86, 92, 152, 172, 184, 304, 344, 368, 437, 688, 817, 874, 989, 1634, 1748, 1849, 1978, 3268, 3496, 3698, 3956, 6536, 6992, 7396, 7912, 13072, 14792, 15824, 18791, 29584, 35131, 37582, 42527, 70262, 75164, 85054, 140524, 150328, 170108, 281048, 300656, 340216, 562096, 680432, 808013, 1616026, 3232052, 6464104, 12928208]

約数ペア:

[(1, 12928208), (2, 6464104), (4, 3232052), (8, 1616026), (16, 808013), (19, 680432), (23, 562096), (38, 340216), (43, 300656), (46, 281048), (76, 170108), (86, 150328), (92, 140524), (152, 85054), (172, 75164), (184, 70262), (304, 42527), (344, 37582), (368, 35131), (437, 29584), (688, 18791), (817, 15824), (874, 14792), (989, 13072), (1634, 7912), (1748, 7396), (1849, 6992), (1978, 6536), (3268, 3956), (3496, 3698)]