668800792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 1389024000

約数和(自身を除く): 720223208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 199, 211, 362, 398, 422, 724, 796, 844, 1448, 1592, 1688, 1991, 2189, 2321, 3982, 4378, 4642, 7964, 8756, 9284, 15928, 17512, 18568, 36019, 38191, 41989, 72038, 76382, 83978, 144076, 152764, 167956, 288152, 305528, 335912, 396209, 420101, 461879, 792418, 840202, 923758, 1584836, 1680404, 1847516, 3169672, 3360808, 3695032, 7600009, 15200018, 30400036, 60800072, 83600099, 167200198, 334400396, 668800792]

約数ペア:

[(1, 668800792), (2, 334400396), (4, 167200198), (8, 83600099), (11, 60800072), (22, 30400036), (44, 15200018), (88, 7600009), (181, 3695032), (199, 3360808), (211, 3169672), (362, 1847516), (398, 1680404), (422, 1584836), (724, 923758), (796, 840202), (844, 792418), (1448, 461879), (1592, 420101), (1688, 396209), (1991, 335912), (2189, 305528), (2321, 288152), (3982, 167956), (4378, 152764), (4642, 144076), (7964, 83978), (8756, 76382), (9284, 72038), (15928, 41989), (17512, 38191), (18568, 36019)]