538776217

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 687009600

約数和(自身を除く): 148233383

約数列:

[1, 7, 19, 49, 53, 61, 133, 179, 371, 427, 931, 1007, 1159, 1253, 2597, 2989, 3233, 3401, 7049, 8113, 8771, 9487, 10919, 22631, 23807, 49343, 56791, 61427, 66409, 76433, 158417, 166649, 180253, 207461, 429989, 464863, 535031, 578707, 1261771, 1452227, 3009923, 4050949, 8832397, 10165589, 10995433, 28356643, 76968031, 538776217]

約数ペア:

[(1, 538776217), (7, 76968031), (19, 28356643), (49, 10995433), (53, 10165589), (61, 8832397), (133, 4050949), (179, 3009923), (371, 1452227), (427, 1261771), (931, 578707), (1007, 535031), (1159, 464863), (1253, 429989), (2597, 207461), (2989, 180253), (3233, 166649), (3401, 158417), (7049, 76433), (8113, 66409), (8771, 61427), (9487, 56791), (10919, 49343), (22631, 23807)]