129426689

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 167935680

約数和(自身を除く): 38508991

約数列:

[1, 7, 19, 43, 49, 53, 61, 133, 301, 371, 427, 817, 931, 1007, 1159, 2107, 2279, 2597, 2623, 2989, 3233, 5719, 7049, 8113, 15953, 18361, 22631, 40033, 43301, 49343, 49837, 56791, 61427, 111671, 128527, 139019, 158417, 303107, 348859, 429989, 973133, 2121749, 2442013, 2641361, 3009923, 6811931, 18489527, 129426689]

約数ペア:

[(1, 129426689), (7, 18489527), (19, 6811931), (43, 3009923), (49, 2641361), (53, 2442013), (61, 2121749), (133, 973133), (301, 429989), (371, 348859), (427, 303107), (817, 158417), (931, 139019), (1007, 128527), (1159, 111671), (2107, 61427), (2279, 56791), (2597, 49837), (2623, 49343), (2989, 43301), (3233, 40033), (5719, 22631), (7049, 18361), (8113, 15953)]