15661744

素因数分解:

$2^4\times 7^1\times {\mathrm{139837}}^1$

素因数の和:139852

約数の個数: 20

約数和(自身を含む): 34679824

約数和(自身を除く): 19018080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139837, 279674, 559348, 978859, 1118696, 1957718, 2237392, 3915436, 7830872, 15661744]

約数ペア:

[(1, 15661744), (2, 7830872), (4, 3915436), (7, 2237392), (8, 1957718), (14, 1118696), (16, 978859), (28, 559348), (56, 279674), (112, 139837)]