28383817

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 39223296

約数和(自身を除く): 10839479

約数列:

[1, 7, 11, 23, 31, 47, 77, 121, 161, 217, 253, 329, 341, 517, 713, 847, 1081, 1457, 1771, 2387, 2783, 3619, 3751, 4991, 5687, 7567, 7843, 10199, 11891, 16027, 19481, 26257, 33511, 39809, 54901, 83237, 86273, 112189, 130801, 176297, 234577, 368621, 603911, 915607, 1234079, 2580347, 4054831, 28383817]

約数ペア:

[(1, 28383817), (7, 4054831), (11, 2580347), (23, 1234079), (31, 915607), (47, 603911), (77, 368621), (121, 234577), (161, 176297), (217, 130801), (253, 112189), (329, 86273), (341, 83237), (517, 54901), (713, 39809), (847, 33511), (1081, 26257), (1457, 19481), (1771, 16027), (2387, 11891), (2783, 10199), (3619, 7843), (3751, 7567), (4991, 5687)]