28748553.000000000

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7680

約数の個数: 60

約数和(自身を含む): 269997600

約数和(自身を除く): 156207056

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 7448, 7639, 14896, 15278, 30556, 53473, 61112, 106946, 122224, 145141, 213892, 290282, 374311, 427784, 580564, 748622, 855568, 1015987, 1161128, 1497244, 2031974, 2322256, 2994488, 4063948, 5988976, 7111909, 8127896, 14223818, 16255792, 28447636, 56895272, 113790544]

約数ペア:

[(1, 113790544), (2, 56895272), (4, 28447636), (7, 16255792), (8, 14223818), (14, 8127896), (16, 7111909), (19, 5988976), (28, 4063948), (38, 2994488), (49, 2322256), (56, 2031974), (76, 1497244), (98, 1161128), (112, 1015987), (133, 855568), (152, 748622), (196, 580564), (266, 427784), (304, 374311), (392, 290282), (532, 213892), (784, 145141), (931, 122224), (1064, 106946), (1862, 61112), (2128, 53473), (3724, 30556), (7448, 15278), (7639, 14896)]