78181904

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{45667}}^1$

素因数の和:45782

約数の個数: 20

約数和(自身を含む): 152896464

約数和(自身を除く): 74714560

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 45667, 91334, 182668, 365336, 730672, 4886369, 9772738, 19545476, 39090952, 78181904]

約数ペア:

[(1, 78181904), (2, 39090952), (4, 19545476), (8, 9772738), (16, 4886369), (107, 730672), (214, 365336), (428, 182668), (856, 91334), (1712, 45667)]