28330652

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 59179008

約数和(自身を除く): 30848356

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 257, 434, 508, 514, 868, 889, 1028, 1778, 1799, 3556, 3598, 3937, 7196, 7874, 7967, 15748, 15934, 27559, 31868, 32639, 55118, 55769, 65278, 110236, 111538, 130556, 223076, 228473, 456946, 913892, 1011809, 2023618, 4047236, 7082663, 14165326, 28330652]

約数ペア:

[(1, 28330652), (2, 14165326), (4, 7082663), (7, 4047236), (14, 2023618), (28, 1011809), (31, 913892), (62, 456946), (124, 228473), (127, 223076), (217, 130556), (254, 111538), (257, 110236), (434, 65278), (508, 55769), (514, 55118), (868, 32639), (889, 31868), (1028, 27559), (1778, 15934), (1799, 15748), (3556, 7967), (3598, 7874), (3937, 7196)]