28417228

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2609}}^1$

素因数の和:3009

約数の個数: 24

約数和(自身を含む): 57002400

約数和(自身を除く): 28585172

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2609, 2723, 5218, 5446, 10436, 10892, 18263, 36526, 73052, 1014901, 2029802, 4059604, 7104307, 14208614, 28417228]

約数ペア:

[(1, 28417228), (2, 14208614), (4, 7104307), (7, 4059604), (14, 2029802), (28, 1014901), (389, 73052), (778, 36526), (1556, 18263), (2609, 10892), (2723, 10436), (5218, 5446)]