51981017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 63037440

約数和(自身を除く): 11056423

約数列:

[1, 11, 19, 31, 71, 113, 209, 341, 589, 781, 1243, 1349, 2147, 2201, 3503, 6479, 8023, 14839, 23617, 24211, 38533, 41819, 66557, 88253, 152437, 248713, 460009, 732127, 1676807, 2735843, 4725547, 51981017]

約数ペア:

[(1, 51981017), (11, 4725547), (19, 2735843), (31, 1676807), (71, 732127), (113, 460009), (209, 248713), (341, 152437), (589, 88253), (781, 66557), (1243, 41819), (1349, 38533), (2147, 24211), (2201, 23617), (3503, 14839), (6479, 8023)]