221642932

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{255349}}^1$

素因数の和:255391

約数の個数: 24

約数和(自身を含む): 457587200

約数和(自身を除く): 235944268

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 255349, 510698, 1021396, 1787443, 3574886, 7149772, 7915819, 15831638, 31663276, 55410733, 110821466, 221642932]

約数ペア:

[(1, 221642932), (2, 110821466), (4, 55410733), (7, 31663276), (14, 15831638), (28, 7915819), (31, 7149772), (62, 3574886), (124, 1787443), (217, 1021396), (434, 510698), (868, 255349)]