255219937

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 313528320

約数和(自身を除く): 58308383

約数列:

[1, 7, 23, 71, 83, 161, 269, 497, 581, 1633, 1883, 1909, 5893, 6187, 11431, 13363, 19099, 22327, 41251, 43309, 133693, 135539, 156289, 439277, 513521, 948773, 1585217, 3074939, 3594647, 11096519, 36459991, 255219937]

約数ペア:

[(1, 255219937), (7, 36459991), (23, 11096519), (71, 3594647), (83, 3074939), (161, 1585217), (269, 948773), (497, 513521), (581, 439277), (1633, 156289), (1883, 135539), (1909, 133693), (5893, 43309), (6187, 41251), (11431, 22327), (13363, 19099)]