81364712

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5471}}^1$

素因数の和:5514

約数の個数: 48

約数和(自身を含む): 180247680

約数和(自身を除く): 98882968

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 676, 1144, 1352, 1859, 3718, 5471, 7436, 10942, 14872, 21884, 43768, 60181, 71123, 120362, 142246, 240724, 284492, 481448, 568984, 782353, 924599, 1564706, 1849198, 3129412, 3698396, 6258824, 7396792, 10170589, 20341178, 40682356, 81364712]

約数ペア:

[(1, 81364712), (2, 40682356), (4, 20341178), (8, 10170589), (11, 7396792), (13, 6258824), (22, 3698396), (26, 3129412), (44, 1849198), (52, 1564706), (88, 924599), (104, 782353), (143, 568984), (169, 481448), (286, 284492), (338, 240724), (572, 142246), (676, 120362), (1144, 71123), (1352, 60181), (1859, 43768), (3718, 21884), (5471, 14872), (7436, 10942)]