66641372

素因数分解:

$2^2\times 7^2\times {\mathrm{340007}}^1$

素因数の和:340025

約数の個数: 18

約数和(自身を含む): 135663192

約数和(自身を除く): 69021820

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340007, 680014, 1360028, 2380049, 4760098, 9520196, 16660343, 33320686, 66641372]

約数ペア:

[(1, 66641372), (2, 33320686), (4, 16660343), (7, 9520196), (14, 4760098), (28, 2380049), (49, 1360028), (98, 680014), (196, 340007)]