28537156907

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{6911}}^1$

素因数の和:7211

約数の個数: 32

約数和(自身を含む): 34040217600

約数和(自身を除く): 5503060693

約数列:

[1, 7, 37, 107, 149, 259, 749, 1043, 3959, 5513, 6911, 15943, 27713, 38591, 48377, 111601, 255707, 589891, 739477, 1029739, 1789949, 4129237, 5176339, 7208173, 27360649, 38100343, 110182073, 191524543, 266702401, 771274511, 4076736701, 28537156907]

約数ペア:

[(1, 28537156907), (7, 4076736701), (37, 771274511), (107, 266702401), (149, 191524543), (259, 110182073), (749, 38100343), (1043, 27360649), (3959, 7208173), (5513, 5176339), (6911, 4129237), (15943, 1789949), (27713, 1029739), (38591, 739477), (48377, 589891), (111601, 255707)]