40788166

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:280

約数の個数: 24

約数和(自身を含む): 64187640

約数和(自身を除く): 23399474

約数列:

[1, 2, 43, 73, 86, 89, 146, 178, 3139, 3827, 5329, 6278, 6497, 7654, 10658, 12994, 229147, 279371, 458294, 474281, 558742, 948562, 20394083, 40788166]

約数ペア:

[(1, 40788166), (2, 20394083), (43, 948562), (73, 558742), (86, 474281), (89, 458294), (146, 279371), (178, 229147), (3139, 12994), (3827, 10658), (5329, 7654), (6278, 6497)]