255765745

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 74858255

約数列:

[1, 5, 19, 83, 95, 163, 199, 415, 815, 995, 1577, 3097, 3781, 7885, 13529, 15485, 16517, 18905, 32437, 67645, 82585, 162185, 257051, 313823, 616303, 1285255, 1569115, 2692271, 3081515, 13461355, 51153149, 255765745]

約数ペア:

[(1, 255765745), (5, 51153149), (19, 13461355), (83, 3081515), (95, 2692271), (163, 1569115), (199, 1285255), (415, 616303), (815, 313823), (995, 257051), (1577, 162185), (3097, 82585), (3781, 67645), (7885, 32437), (13529, 18905), (15485, 16517)]