2551084991

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6367}}^1$

素因数の和:6448

約数の個数: 48

約数和(自身を含む): 3475858176

約数和(自身を除く): 924773185

約数列:

[1, 7, 13, 17, 37, 49, 91, 119, 221, 259, 481, 629, 637, 833, 1547, 1813, 3367, 4403, 6367, 8177, 10829, 23569, 30821, 44569, 57239, 82771, 108239, 235579, 311983, 400673, 579397, 757673, 1407107, 1649053, 3062527, 4004843, 4055779, 5303711, 9849749, 11543371, 21437689, 28033901, 52062959, 68948243, 150063823, 196237307, 364440713, 2551084991]

約数ペア:

[(1, 2551084991), (7, 364440713), (13, 196237307), (17, 150063823), (37, 68948243), (49, 52062959), (91, 28033901), (119, 21437689), (221, 11543371), (259, 9849749), (481, 5303711), (629, 4055779), (637, 4004843), (833, 3062527), (1547, 1649053), (1813, 1407107), (3367, 757673), (4403, 579397), (6367, 400673), (8177, 311983), (10829, 235579), (23569, 108239), (30821, 82771), (44569, 57239)]