81411968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 179781120

約数和(自身を除く): 98369152

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 128, 134, 176, 268, 352, 536, 704, 737, 863, 1072, 1408, 1474, 1726, 2144, 2948, 3452, 4288, 5896, 6904, 8576, 9493, 11792, 13808, 18986, 23584, 27616, 37972, 47168, 55232, 57821, 75944, 94336, 110464, 115642, 151888, 231284, 303776, 462568, 607552, 636031, 925136, 1215104, 1272062, 1850272, 2544124, 3700544, 5088248, 7401088, 10176496, 20352992, 40705984, 81411968]

約数ペア:

[(1, 81411968), (2, 40705984), (4, 20352992), (8, 10176496), (11, 7401088), (16, 5088248), (22, 3700544), (32, 2544124), (44, 1850272), (64, 1272062), (67, 1215104), (88, 925136), (128, 636031), (134, 607552), (176, 462568), (268, 303776), (352, 231284), (536, 151888), (704, 115642), (737, 110464), (863, 94336), (1072, 75944), (1408, 57821), (1474, 55232), (1726, 47168), (2144, 37972), (2948, 27616), (3452, 23584), (4288, 18986), (5896, 13808), (6904, 11792), (8576, 9493)]