31581242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 60418176

約数和(自身を除く): 28836934

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 121, 154, 181, 206, 242, 362, 721, 847, 1133, 1267, 1442, 1694, 1991, 2266, 2534, 3982, 7931, 12463, 13937, 15862, 18643, 21901, 24926, 27874, 37286, 43802, 87241, 130501, 153307, 174482, 205073, 261002, 306614, 410146, 1435511, 2255803, 2871022, 4511606, 15790621, 31581242]

約数ペア:

[(1, 31581242), (2, 15790621), (7, 4511606), (11, 2871022), (14, 2255803), (22, 1435511), (77, 410146), (103, 306614), (121, 261002), (154, 205073), (181, 174482), (206, 153307), (242, 130501), (362, 87241), (721, 43802), (847, 37286), (1133, 27874), (1267, 24926), (1442, 21901), (1694, 18643), (1991, 15862), (2266, 13937), (2534, 12463), (3982, 7931)]