28317784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1$

素因数の和:880

約数の個数: 64

約数和(自身を含む): 64074240

約数和(自身を除く): 35756456

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 184, 187, 253, 374, 391, 506, 748, 782, 823, 1012, 1496, 1564, 1646, 2024, 3128, 3292, 4301, 6584, 8602, 9053, 13991, 17204, 18106, 18929, 27982, 34408, 36212, 37858, 55964, 72424, 75716, 111928, 151432, 153901, 208219, 307802, 321793, 416438, 615604, 643586, 832876, 1231208, 1287172, 1665752, 2574344, 3539723, 7079446, 14158892, 28317784]

約数ペア:

[(1, 28317784), (2, 14158892), (4, 7079446), (8, 3539723), (11, 2574344), (17, 1665752), (22, 1287172), (23, 1231208), (34, 832876), (44, 643586), (46, 615604), (68, 416438), (88, 321793), (92, 307802), (136, 208219), (184, 153901), (187, 151432), (253, 111928), (374, 75716), (391, 72424), (506, 55964), (748, 37858), (782, 36212), (823, 34408), (1012, 27982), (1496, 18929), (1564, 18106), (1646, 17204), (2024, 13991), (3128, 9053), (3292, 8602), (4301, 6584)]