216830404

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{11969}}^1$

素因数の和:12627

約数の個数: 24

約数和(自身を含む): 434367360

約数和(自身を除く): 217536956

約数列:

[1, 2, 4, 7, 14, 28, 647, 1294, 2588, 4529, 9058, 11969, 18116, 23938, 47876, 83783, 167566, 335132, 7743943, 15487886, 30975772, 54207601, 108415202, 216830404]

約数ペア:

[(1, 216830404), (2, 108415202), (4, 54207601), (7, 30975772), (14, 15487886), (28, 7743943), (647, 335132), (1294, 167566), (2588, 83783), (4529, 47876), (9058, 23938), (11969, 18116)]