209919128

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{2039}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 417506400

約数和(自身を除く): 207587272

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 757, 1514, 2039, 3028, 4078, 6056, 8156, 12869, 16312, 25738, 34663, 51476, 69326, 102952, 138652, 277304, 1543523, 3087046, 6174092, 12348184, 26239891, 52479782, 104959564, 209919128]

約数ペア:

[(1, 209919128), (2, 104959564), (4, 52479782), (8, 26239891), (17, 12348184), (34, 6174092), (68, 3087046), (136, 1543523), (757, 277304), (1514, 138652), (2039, 102952), (3028, 69326), (4078, 51476), (6056, 34663), (8156, 25738), (12869, 16312)]