28589708

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 59814720

約数和(自身を除く): 31225012

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 137, 203, 257, 274, 406, 514, 548, 812, 959, 1028, 1799, 1918, 3598, 3836, 3973, 7196, 7453, 7946, 14906, 15892, 27811, 29812, 35209, 52171, 55622, 70418, 104342, 111244, 140836, 208684, 246463, 492926, 985852, 1021061, 2042122, 4084244, 7147427, 14294854, 28589708]

約数ペア:

[(1, 28589708), (2, 14294854), (4, 7147427), (7, 4084244), (14, 2042122), (28, 1021061), (29, 985852), (58, 492926), (116, 246463), (137, 208684), (203, 140836), (257, 111244), (274, 104342), (406, 70418), (514, 55622), (548, 52171), (812, 35209), (959, 29812), (1028, 27811), (1799, 15892), (1918, 14906), (3598, 7946), (3836, 7453), (3973, 7196)]