218286128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{440093}}^1$

素因数の和:440132

約数の個数: 20

約数和(自身を含む): 436573248

約数和(自身を除く): 218287120

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 440093, 880186, 1760372, 3520744, 7041488, 13642883, 27285766, 54571532, 109143064, 218286128]

約数ペア:

[(1, 218286128), (2, 109143064), (4, 54571532), (8, 27285766), (16, 13642883), (31, 7041488), (62, 3520744), (124, 1760372), (248, 880186), (496, 440093)]