651163477468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{46769}}^1\times {\mathrm{26171}}^1$

素因数の和:72970

約数の個数: 48

約数和(自身を含む): 1370952172800

約数和(自身を除く): 719788695332

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 26171, 46769, 52342, 93538, 104684, 183197, 187076, 327383, 366394, 497249, 654766, 732788, 888611, 994498, 1309532, 1777222, 1988996, 3480743, 3554444, 6220277, 6961486, 12440554, 13922972, 24881108, 1223991499, 2447982998, 4895965996, 8567940493, 17135880986, 23255838481, 34271761972, 46511676962, 93023353924, 162790869367, 325581738734, 651163477468]

約数ペア:

[(1, 651163477468), (2, 325581738734), (4, 162790869367), (7, 93023353924), (14, 46511676962), (19, 34271761972), (28, 23255838481), (38, 17135880986), (76, 8567940493), (133, 4895965996), (266, 2447982998), (532, 1223991499), (26171, 24881108), (46769, 13922972), (52342, 12440554), (93538, 6961486), (104684, 6220277), (183197, 3554444), (187076, 3480743), (327383, 1988996), (366394, 1777222), (497249, 1309532), (654766, 994498), (732788, 888611)]