537419519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 675569664

約数和(自身を除く): 138150145

約数列:

[1, 7, 13, 71, 91, 223, 373, 497, 923, 1561, 2611, 2899, 4849, 6461, 15833, 20293, 26483, 33943, 83179, 110831, 185381, 205829, 344279, 582253, 1081327, 1440803, 2409953, 5905709, 7569289, 41339963, 76774217, 537419519]

約数ペア:

[(1, 537419519), (7, 76774217), (13, 41339963), (71, 7569289), (91, 5905709), (223, 2409953), (373, 1440803), (497, 1081327), (923, 582253), (1561, 344279), (2611, 205829), (2899, 185381), (4849, 110831), (6461, 83179), (15833, 33943), (20293, 26483)]