28243868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1327}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 52540992

約数和(自身を除く): 24297124

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 1252, 1327, 2654, 5308, 5321, 10642, 21284, 22559, 45118, 90236, 415351, 830702, 1661404, 7060967, 14121934, 28243868]

約数ペア:

[(1, 28243868), (2, 14121934), (4, 7060967), (17, 1661404), (34, 830702), (68, 415351), (313, 90236), (626, 45118), (1252, 22559), (1327, 21284), (2654, 10642), (5308, 5321)]