28445788

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 58947840

約数和(自身を除く): 30502052

約数列:

[1, 2, 4, 7, 14, 28, 59, 67, 118, 134, 236, 257, 268, 413, 469, 514, 826, 938, 1028, 1652, 1799, 1876, 3598, 3953, 7196, 7906, 15163, 15812, 17219, 27671, 30326, 34438, 55342, 60652, 68876, 106141, 110684, 120533, 212282, 241066, 424564, 482132, 1015921, 2031842, 4063684, 7111447, 14222894, 28445788]

約数ペア:

[(1, 28445788), (2, 14222894), (4, 7111447), (7, 4063684), (14, 2031842), (28, 1015921), (59, 482132), (67, 424564), (118, 241066), (134, 212282), (236, 120533), (257, 110684), (268, 106141), (413, 68876), (469, 60652), (514, 55342), (826, 34438), (938, 30326), (1028, 27671), (1652, 17219), (1799, 15812), (1876, 15163), (3598, 7906), (3953, 7196)]