81393088

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1873}}^1$

素因数の和:1989

約数の個数: 56

約数和(自身を含む): 186590432

約数和(自身を除く): 105197344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 679, 776, 1358, 1552, 1873, 2716, 3104, 3746, 5432, 6208, 7492, 10864, 13111, 14984, 21728, 26222, 29968, 43456, 52444, 59936, 104888, 119872, 181681, 209776, 363362, 419552, 726724, 839104, 1271767, 1453448, 2543534, 2906896, 5087068, 5813792, 10174136, 11627584, 20348272, 40696544, 81393088]

約数ペア:

[(1, 81393088), (2, 40696544), (4, 20348272), (7, 11627584), (8, 10174136), (14, 5813792), (16, 5087068), (28, 2906896), (32, 2543534), (56, 1453448), (64, 1271767), (97, 839104), (112, 726724), (194, 419552), (224, 363362), (388, 209776), (448, 181681), (679, 119872), (776, 104888), (1358, 59936), (1552, 52444), (1873, 43456), (2716, 29968), (3104, 26222), (3746, 21728), (5432, 14984), (6208, 13111), (7492, 10864)]