28382825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 37069056

約数和(自身を除く): 8686231

約数列:

[1, 5, 25, 31, 53, 155, 265, 691, 775, 1325, 1643, 3455, 8215, 17275, 21421, 36623, 41075, 107105, 183115, 535525, 915575, 1135313, 5676565, 28382825]

約数ペア:

[(1, 28382825), (5, 5676565), (25, 1135313), (31, 915575), (53, 535525), (155, 183115), (265, 107105), (691, 41075), (775, 36623), (1325, 21421), (1643, 17275), (3455, 8215)]