217962008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 456019200

約数和(自身を除く): 238057192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 139, 173, 206, 278, 346, 412, 556, 692, 824, 1112, 1133, 1384, 1529, 1903, 2266, 3058, 3806, 4532, 6116, 7612, 9064, 12232, 14317, 15224, 17819, 24047, 28634, 35638, 48094, 57268, 71276, 96188, 114536, 142552, 157487, 192376, 196009, 264517, 314974, 392018, 529034, 629948, 784036, 1058068, 1259896, 1568072, 2116136, 2476841, 4953682, 9907364, 19814728, 27245251, 54490502, 108981004, 217962008]

約数ペア:

[(1, 217962008), (2, 108981004), (4, 54490502), (8, 27245251), (11, 19814728), (22, 9907364), (44, 4953682), (88, 2476841), (103, 2116136), (139, 1568072), (173, 1259896), (206, 1058068), (278, 784036), (346, 629948), (412, 529034), (556, 392018), (692, 314974), (824, 264517), (1112, 196009), (1133, 192376), (1384, 157487), (1529, 142552), (1903, 114536), (2266, 96188), (3058, 71276), (3806, 57268), (4532, 48094), (6116, 35638), (7612, 28634), (9064, 24047), (12232, 17819), (14317, 15224)]