221369454

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 488342400

約数和(自身を除く): 266972946

約数列:

[1, 2, 3, 6, 9, 18, 103, 139, 206, 278, 309, 417, 618, 834, 859, 927, 1251, 1718, 1854, 2502, 2577, 5154, 7731, 14317, 15462, 28634, 42951, 85902, 88477, 119401, 128853, 176954, 238802, 257706, 265431, 358203, 530862, 716406, 796293, 1074609, 1592586, 2149218, 12298303, 24596606, 36894909, 73789818, 110684727, 221369454]

約数ペア:

[(1, 221369454), (2, 110684727), (3, 73789818), (6, 36894909), (9, 24596606), (18, 12298303), (103, 2149218), (139, 1592586), (206, 1074609), (278, 796293), (309, 716406), (417, 530862), (618, 358203), (834, 265431), (859, 257706), (927, 238802), (1251, 176954), (1718, 128853), (1854, 119401), (2502, 88477), (2577, 85902), (5154, 42951), (7731, 28634), (14317, 15462)]