238891009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 299692800

約数和(自身を除く): 60801791

約数列:

[1, 7, 19, 29, 133, 203, 241, 257, 551, 1687, 1799, 3857, 4579, 4883, 6989, 7453, 32053, 34181, 48923, 52171, 61937, 132791, 141607, 433559, 929537, 991249, 1176803, 1796173, 8237621, 12573211, 34127287, 238891009]

約数ペア:

[(1, 238891009), (7, 34127287), (19, 12573211), (29, 8237621), (133, 1796173), (203, 1176803), (241, 991249), (257, 929537), (551, 433559), (1687, 141607), (1799, 132791), (3857, 61937), (4579, 52171), (4883, 48923), (6989, 34181), (7453, 32053)]