28706678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1103}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 58185216

約数和(自身を除く): 29478538

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 169, 182, 286, 338, 1001, 1103, 1183, 1859, 2002, 2206, 2366, 3718, 7721, 12133, 13013, 14339, 15442, 24266, 26026, 28678, 84931, 100373, 157729, 169862, 186407, 200746, 315458, 372814, 1104103, 1304849, 2050477, 2208206, 2609698, 4100954, 14353339, 28706678]

約数ペア:

[(1, 28706678), (2, 14353339), (7, 4100954), (11, 2609698), (13, 2208206), (14, 2050477), (22, 1304849), (26, 1104103), (77, 372814), (91, 315458), (143, 200746), (154, 186407), (169, 169862), (182, 157729), (286, 100373), (338, 84931), (1001, 28678), (1103, 26026), (1183, 24266), (1859, 15442), (2002, 14339), (2206, 13013), (2366, 12133), (3718, 7721)]