207997712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{52631}}^1$

素因数の和:52671

約数の個数: 40

約数和(自身を含む): 456845760

約数和(自身を除く): 248848048

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 52631, 105262, 210524, 421048, 684203, 842096, 999989, 1368406, 1999978, 2736812, 3999956, 5473624, 7999912, 10947248, 12999857, 15999824, 25999714, 51999428, 103998856, 207997712]

約数ペア:

[(1, 207997712), (2, 103998856), (4, 51999428), (8, 25999714), (13, 15999824), (16, 12999857), (19, 10947248), (26, 7999912), (38, 5473624), (52, 3999956), (76, 2736812), (104, 1999978), (152, 1368406), (208, 999989), (247, 842096), (304, 684203), (494, 421048), (988, 210524), (1976, 105262), (3952, 52631)]