28162904

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38365096

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 131, 154, 262, 308, 349, 524, 616, 698, 917, 1048, 1396, 1441, 1834, 2443, 2792, 2882, 3668, 3839, 4886, 5764, 7336, 7678, 9772, 10087, 11528, 15356, 19544, 20174, 26873, 30712, 40348, 45719, 53746, 80696, 91438, 107492, 182876, 214984, 320033, 365752, 502909, 640066, 1005818, 1280132, 2011636, 2560264, 3520363, 4023272, 7040726, 14081452, 28162904]

約数ペア:

[(1, 28162904), (2, 14081452), (4, 7040726), (7, 4023272), (8, 3520363), (11, 2560264), (14, 2011636), (22, 1280132), (28, 1005818), (44, 640066), (56, 502909), (77, 365752), (88, 320033), (131, 214984), (154, 182876), (262, 107492), (308, 91438), (349, 80696), (524, 53746), (616, 45719), (698, 40348), (917, 30712), (1048, 26873), (1396, 20174), (1441, 19544), (1834, 15356), (2443, 11528), (2792, 10087), (2882, 9772), (3668, 7678), (3839, 7336), (4886, 5764)]