142499248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{207121}}^1$

素因数の和:207172

約数の個数: 20

約数和(自身を含む): 282514408

約数和(自身を除く): 140015160

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 207121, 414242, 828484, 1656968, 3313936, 8906203, 17812406, 35624812, 71249624, 142499248]

約数ペア:

[(1, 142499248), (2, 71249624), (4, 35624812), (8, 17812406), (16, 8906203), (43, 3313936), (86, 1656968), (172, 828484), (344, 414242), (688, 207121)]