27680884

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 63316512

約数和(自身を除く): 35635628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 259, 308, 347, 407, 518, 539, 694, 814, 1036, 1078, 1388, 1628, 1813, 2156, 2429, 2849, 3626, 3817, 4858, 5698, 7252, 7634, 9716, 11396, 12839, 15268, 17003, 19943, 25678, 26719, 34006, 39886, 51356, 53438, 68012, 79772, 89873, 106876, 141229, 179746, 187033, 282458, 359492, 374066, 564916, 629111, 748132, 988603, 1258222, 1977206, 2516444, 3954412, 6920221, 13840442, 27680884]

約数ペア:

[(1, 27680884), (2, 13840442), (4, 6920221), (7, 3954412), (11, 2516444), (14, 1977206), (22, 1258222), (28, 988603), (37, 748132), (44, 629111), (49, 564916), (74, 374066), (77, 359492), (98, 282458), (148, 187033), (154, 179746), (196, 141229), (259, 106876), (308, 89873), (347, 79772), (407, 68012), (518, 53438), (539, 51356), (694, 39886), (814, 34006), (1036, 26719), (1078, 25678), (1388, 19943), (1628, 17003), (1813, 15268), (2156, 12839), (2429, 11396), (2849, 9716), (3626, 7634), (3817, 7252), (4858, 5698)]