81349184

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^2\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 84

約数和(自身を含む): 195096384

約数和(自身を除く): 113747200

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 361, 448, 503, 532, 608, 722, 1006, 1064, 1216, 1444, 2012, 2128, 2527, 2888, 3521, 4024, 4256, 5054, 5776, 7042, 8048, 8512, 9557, 10108, 11552, 14084, 16096, 19114, 20216, 23104, 28168, 32192, 38228, 40432, 56336, 66899, 76456, 80864, 112672, 133798, 152912, 161728, 181583, 225344, 267596, 305824, 363166, 535192, 611648, 726332, 1070384, 1271081, 1452664, 2140768, 2542162, 2905328, 4281536, 5084324, 5810656, 10168648, 11621312, 20337296, 40674592, 81349184]

約数ペア:

[(1, 81349184), (2, 40674592), (4, 20337296), (7, 11621312), (8, 10168648), (14, 5810656), (16, 5084324), (19, 4281536), (28, 2905328), (32, 2542162), (38, 2140768), (56, 1452664), (64, 1271081), (76, 1070384), (112, 726332), (133, 611648), (152, 535192), (224, 363166), (266, 305824), (304, 267596), (361, 225344), (448, 181583), (503, 161728), (532, 152912), (608, 133798), (722, 112672), (1006, 80864), (1064, 76456), (1216, 66899), (1444, 56336), (2012, 40432), (2128, 38228), (2527, 32192), (2888, 28168), (3521, 23104), (4024, 20216), (4256, 19114), (5054, 16096), (5776, 14084), (7042, 11552), (8048, 10108), (8512, 9557)]