28656518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9371}}^1$

素因数の和:9523

約数の個数: 16

約数和(自身を含む): 47234880

約数和(自身を除く): 18578362

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9371, 18742, 103081, 206162, 1302569, 2605138, 14328259, 28656518]

約数ペア:

[(1, 28656518), (2, 14328259), (11, 2605138), (22, 1302569), (139, 206162), (278, 103081), (1529, 18742), (3058, 9371)]