139874371

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 187392000

約数和(自身を除く): 47517629

約数列:

[1, 7, 13, 19, 49, 91, 127, 133, 169, 247, 343, 637, 889, 931, 1183, 1651, 1729, 2413, 3211, 4459, 6223, 6517, 8281, 11557, 12103, 16891, 21463, 22477, 31369, 43561, 57967, 80899, 84721, 118237, 150241, 157339, 219583, 407797, 566293, 827659, 1051687, 1101373, 1537081, 2854579, 7361809, 10759567, 19982053, 139874371]

約数ペア:

[(1, 139874371), (7, 19982053), (13, 10759567), (19, 7361809), (49, 2854579), (91, 1537081), (127, 1101373), (133, 1051687), (169, 827659), (247, 566293), (343, 407797), (637, 219583), (889, 157339), (931, 150241), (1183, 118237), (1651, 84721), (1729, 80899), (2413, 57967), (3211, 43561), (4459, 31369), (6223, 22477), (6517, 21463), (8281, 16891), (11557, 12103)]