808325728

素因数分解:

$2^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{19937}}^1$

素因数の和:20135

約数の個数: 48

約数和(自身を含む): 1828872864

約数和(自身を除く): 1020547136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 181, 224, 362, 724, 1267, 1448, 2534, 2896, 5068, 5792, 10136, 19937, 20272, 39874, 40544, 79748, 139559, 159496, 279118, 318992, 558236, 637984, 1116472, 2232944, 3608597, 4465888, 7217194, 14434388, 25260179, 28868776, 50520358, 57737552, 101040716, 115475104, 202081432, 404162864, 808325728]

約数ペア:

[(1, 808325728), (2, 404162864), (4, 202081432), (7, 115475104), (8, 101040716), (14, 57737552), (16, 50520358), (28, 28868776), (32, 25260179), (56, 14434388), (112, 7217194), (181, 4465888), (224, 3608597), (362, 2232944), (724, 1116472), (1267, 637984), (1448, 558236), (2534, 318992), (2896, 279118), (5068, 159496), (5792, 139559), (10136, 79748), (19937, 40544), (20272, 39874)]