220490228

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{254021}}^1$

素因数の和:254063

約数の個数: 24

約数和(自身を含む): 455207424

約数和(自身を除く): 234717196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 254021, 508042, 1016084, 1778147, 3556294, 7112588, 7874651, 15749302, 31498604, 55122557, 110245114, 220490228]

約数ペア:

[(1, 220490228), (2, 110245114), (4, 55122557), (7, 31498604), (14, 15749302), (28, 7874651), (31, 7112588), (62, 3556294), (124, 1778147), (217, 1016084), (434, 508042), (868, 254021)]