221401852

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{41399}}^1$

素因数の和:41601

約数の個数: 24

約数和(自身を含む): 445132800

約数和(自身を除く): 223730948

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 41399, 82798, 165596, 289793, 579586, 1159172, 7907209, 15814418, 31628836, 55350463, 110700926, 221401852]

約数ペア:

[(1, 221401852), (2, 110700926), (4, 55350463), (7, 31628836), (14, 15814418), (28, 7907209), (191, 1159172), (382, 579586), (764, 289793), (1337, 165596), (2674, 82798), (5348, 41399)]