81811444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 169456896

約数和(自身を除く): 87645452

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 286, 314, 572, 628, 911, 1727, 1822, 2041, 3454, 3644, 4082, 6908, 8164, 10021, 11843, 20042, 22451, 23686, 40084, 44902, 47372, 89804, 130273, 143027, 260546, 286054, 521092, 572108, 1573297, 1859351, 3146594, 3718702, 6293188, 7437404, 20452861, 40905722, 81811444]

約数ペア:

[(1, 81811444), (2, 40905722), (4, 20452861), (11, 7437404), (13, 6293188), (22, 3718702), (26, 3146594), (44, 1859351), (52, 1573297), (143, 572108), (157, 521092), (286, 286054), (314, 260546), (572, 143027), (628, 130273), (911, 89804), (1727, 47372), (1822, 44902), (2041, 40084), (3454, 23686), (3644, 22451), (4082, 20042), (6908, 11843), (8164, 10021)]