138889744

素因数分解:

$2^4\times 7^1\times {\mathrm{1240087}}^1$

素因数の和:1240102

約数の個数: 20

約数和(自身を含む): 307541824

約数和(自身を除く): 168652080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1240087, 2480174, 4960348, 8680609, 9920696, 17361218, 19841392, 34722436, 69444872, 138889744]

約数ペア:

[(1, 138889744), (2, 69444872), (4, 34722436), (7, 19841392), (8, 17361218), (14, 9920696), (16, 8680609), (28, 4960348), (56, 2480174), (112, 1240087)]