81707912

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 186795840

約数和(自身を除く): 105087928

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 43, 44, 52, 86, 88, 104, 121, 143, 151, 172, 242, 286, 302, 344, 473, 484, 559, 572, 604, 946, 968, 1118, 1144, 1208, 1573, 1661, 1892, 1963, 2236, 3146, 3322, 3784, 3926, 4472, 5203, 6149, 6292, 6493, 6644, 7852, 10406, 12298, 12584, 12986, 13288, 15704, 18271, 20812, 21593, 24596, 25972, 36542, 41624, 43186, 49192, 51944, 67639, 71423, 73084, 84409, 86372, 135278, 142846, 146168, 168818, 172744, 237523, 270556, 285692, 337636, 475046, 541112, 571384, 675272, 785653, 928499, 950092, 1571306, 1856998, 1900184, 3142612, 3713996, 6285224, 7427992, 10213489, 20426978, 40853956, 81707912]

約数ペア:

[(1, 81707912), (2, 40853956), (4, 20426978), (8, 10213489), (11, 7427992), (13, 6285224), (22, 3713996), (26, 3142612), (43, 1900184), (44, 1856998), (52, 1571306), (86, 950092), (88, 928499), (104, 785653), (121, 675272), (143, 571384), (151, 541112), (172, 475046), (242, 337636), (286, 285692), (302, 270556), (344, 237523), (473, 172744), (484, 168818), (559, 146168), (572, 142846), (604, 135278), (946, 86372), (968, 84409), (1118, 73084), (1144, 71423), (1208, 67639), (1573, 51944), (1661, 49192), (1892, 43186), (1963, 41624), (2236, 36542), (3146, 25972), (3322, 24596), (3784, 21593), (3926, 20812), (4472, 18271), (5203, 15704), (6149, 13288), (6292, 12986), (6493, 12584), (6644, 12298), (7852, 10406)]