221393144

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 484323840

約数和(自身を除く): 262930696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 131, 206, 262, 293, 412, 524, 586, 721, 824, 917, 1048, 1172, 1442, 1834, 2051, 2344, 2884, 3668, 4102, 5768, 7336, 8204, 13493, 16408, 26986, 30179, 38383, 53972, 60358, 76766, 94451, 107944, 120716, 153532, 188902, 211253, 241432, 268681, 307064, 377804, 422506, 537362, 755608, 845012, 1074724, 1690024, 2149448, 3953449, 7906898, 15813796, 27674143, 31627592, 55348286, 110696572, 221393144]

約数ペア:

[(1, 221393144), (2, 110696572), (4, 55348286), (7, 31627592), (8, 27674143), (14, 15813796), (28, 7906898), (56, 3953449), (103, 2149448), (131, 1690024), (206, 1074724), (262, 845012), (293, 755608), (412, 537362), (524, 422506), (586, 377804), (721, 307064), (824, 268681), (917, 241432), (1048, 211253), (1172, 188902), (1442, 153532), (1834, 120716), (2051, 107944), (2344, 94451), (2884, 76766), (3668, 60358), (4102, 53972), (5768, 38383), (7336, 30179), (8204, 26986), (13493, 16408)]