251933759

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 326937600

約数和(自身を除く): 75003841

約数列:

[1, 7, 11, 29, 77, 203, 257, 319, 439, 1799, 2233, 2827, 3073, 4829, 7453, 12731, 19789, 33803, 52171, 81983, 89117, 112823, 140041, 573881, 789761, 980287, 1241053, 3271867, 8687371, 22903069, 35990537, 251933759]

約数ペア:

[(1, 251933759), (7, 35990537), (11, 22903069), (29, 8687371), (77, 3271867), (203, 1241053), (257, 980287), (319, 789761), (439, 573881), (1799, 140041), (2233, 112823), (2827, 89117), (3073, 81983), (4829, 52171), (7453, 33803), (12731, 19789)]