28513888

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{68543}}^1$

素因数の和:68566

約数の個数: 24

約数和(自身を含む): 60455808

約数和(自身を除く): 31941920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 68543, 137086, 274172, 548344, 891059, 1096688, 1782118, 2193376, 3564236, 7128472, 14256944, 28513888]

約数ペア:

[(1, 28513888), (2, 14256944), (4, 7128472), (8, 3564236), (13, 2193376), (16, 1782118), (26, 1096688), (32, 891059), (52, 548344), (104, 274172), (208, 137086), (416, 68543)]