81187456

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 195864480

約数和(自身を除く): 114677024

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 251, 266, 304, 361, 448, 502, 532, 608, 722, 896, 1004, 1064, 1216, 1444, 1757, 2008, 2128, 2432, 2527, 2888, 3514, 4016, 4256, 4769, 5054, 5776, 7028, 8032, 8512, 9538, 10108, 11552, 14056, 16064, 17024, 19076, 20216, 23104, 28112, 32128, 33383, 38152, 40432, 46208, 56224, 66766, 76304, 80864, 90611, 112448, 133532, 152608, 161728, 181222, 224896, 267064, 305216, 323456, 362444, 534128, 610432, 634277, 724888, 1068256, 1268554, 1449776, 2136512, 2537108, 2899552, 4273024, 5074216, 5799104, 10148432, 11598208, 20296864, 40593728, 81187456]

約数ペア:

[(1, 81187456), (2, 40593728), (4, 20296864), (7, 11598208), (8, 10148432), (14, 5799104), (16, 5074216), (19, 4273024), (28, 2899552), (32, 2537108), (38, 2136512), (56, 1449776), (64, 1268554), (76, 1068256), (112, 724888), (128, 634277), (133, 610432), (152, 534128), (224, 362444), (251, 323456), (266, 305216), (304, 267064), (361, 224896), (448, 181222), (502, 161728), (532, 152608), (608, 133532), (722, 112448), (896, 90611), (1004, 80864), (1064, 76304), (1216, 66766), (1444, 56224), (1757, 46208), (2008, 40432), (2128, 38152), (2432, 33383), (2527, 32128), (2888, 28112), (3514, 23104), (4016, 20216), (4256, 19076), (4769, 17024), (5054, 16064), (5776, 14056), (7028, 11552), (8032, 10108), (8512, 9538)]