257890243

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{4591}}^1$

素因数の和:4782

約数の個数: 16

約数和(自身を含む): 289296000

約数和(自身を除く): 31405757

約数列:

[1, 13, 29, 149, 377, 1937, 4321, 4591, 56173, 59683, 133139, 684059, 1730807, 8892767, 19837711, 257890243]

約数ペア:

[(1, 257890243), (13, 19837711), (29, 8892767), (149, 1730807), (377, 684059), (1937, 133139), (4321, 59683), (4591, 56173)]